A set of algorithms implemented in C#

GetList.cs

private static List<string> GetList()
        {
            List<string> colors = new List<string>
            {
                "ab",
                "abaci",
                "aback",
                "abacus",
                "abacuses",
                "abaft",
                "abalone",
                "abalones",
                "abandon",
                "abandoned",
                "abandonedly",
                "abandonee",
                "abandoner",
                "abandoners",
                "abandoning",
                "abandonment",
                "abandonments",
                "abandons",
                "abase",
                "abased",
                "abasedly",
                "abasement",
                "abaser",
                "abasers",
                "abases",
                "abash",
                "abashed",
                "abashedly",
                "abashes",
                "abashing",
                "abashment",
                "abashments",
                "abasing",
                "abatable",
                "abate",
                "abated",
                "abatement",
                "abatements",
                "abater",
                "abaters",
                "abates",
                "abating",
                "abatis",
                "abatises",
                "abator",
                "abattoir",
                "abattoirs",
                "abbacies",
                "abbacy",
                "abbatial",
                "abbe",
                "abbes",
                "abbess",
                "abbesses",
                "abbey",
                "abbeys",
                "abbot",
                "abbotcies",
                "abbotcy",
                "abbots",
                "abbotship",
                "abbotships",
                "abbott",
                "abbr",
                "abbrev",
                "abbreviate",
                "abbreviated",
                "abbreviates",
                "abbreviating",
                "abbreviation",
                "abbreviations",
                "abbreviator",
                "abbreviators",
                "abc",
                "abdicable",
                "abdicate",
                "abdicated",
                "abdicates",
                "abdicating",
                "abdication",
                "abdications",
                "abdicator",
                "abdomen",
                "abdomens",
                "abdominal",
                "abdominally",
                "abduct",
                "abducted",
                "abducting",
                "abduction",
                "abductions",
                "abductor",
                "abductors",
                "abducts",
                "abeam",
                "abecedarian",
                "abecedarians",
                "abed",
                "aberdeen",
                "aberrance",
                "aberrancies",
                "aberrancy",
                "aberrant",
                "aberrantly",
                "aberrants",
                "aberration",
                "aberrational",
                "aberrations",
                "abet",
                "abetment",
                "abets",
                "abettal",
                "abettals",
                "abetted",
                "abetter",
                "abetters",
                "abetting",
                "abettor",
                "abettors",
                "abeyance",
                "abeyances",
                "abeyancies",
                "abeyancy",
                "abeyant",
                "abhor",
                "abhorred",
                "abhorrence",
                "abhorrences",
                "abhorrent",
                "abhorrently",
                "abhorrer",
                "abhorrers",
                "abhorring",
                "abhors",
                "abidance",
                "abide",
                "abided",
                "abider",
                "abiders",
                "abides",
                "abiding",
                "abidingly",
                "abidingness",
                "abigail",
                "abilene",
                "abilities",
                "ability",
                "abiotic",
                "abject",
                "abjection",
                "abjectly",
                "abjectness",
                "abjuration",
                "abjurations",
                "abjuratory",
                "abjure",
                "abjured",
                "abjurer",
                "abjurers",
                "abjures",
                "abjuring",
                "ablate",
                "ablated",
                "ablates",
                "ablating",
                "ablation",
                "ablations",
                "ablatival",
                "ablative",
                "ablatively",
                "ablatives",
                "ablaze",
                "able",
                "ableness",
                "abler",
                "ables",
                "ablest",
                "ablings",
                "abloom",
                "ablush",
                "abluted",
                "ablution",
                "ablutionary",
                "ablutions",
                "ably",
                "abnegate",
                "abnegated",
                "abnegates",
                "abnegating",
                "abnegation",
                "abnegations",
                "abnegator",
                "abnegators",
                "abner",
                "abnormal",
                "abnormalities",
                "abnormality",
                "abnormally",
                "abnormals",
                "abo",
                "aboard",
                "abode",
                "aboded",
                "abodes",
                "aboding",
                "aboil",
                "abolish",
                "abolishable",
                "abolished",
                "abolisher",
                "abolishers",
                "abolishes",
                "abolishing",
                "abolishment",
                "abolition",
                "abolitionary",
                "abolitionism",
                "abolitionist",
                "abolitionists",
                "abominable",
                "abominably",
                "abominate",
                "abominated",
                "abominates",
                "abominating",
                "abomination",
                "abominations",
                "abominator",
                "abominators",
                "aboral",
                "aboriginal",
                "aboriginally",
                "aborigine",
                "aborigines",
                "aborning",
                "abort",
                "aborted",
                "aborter",
                "aborters",
                "abortifacient",
                "aborting",
                "abortion",
                "abortional",
                "abortionist",
                "abortionists",
                "abortions",
                "abortive",
                "abortively",
                "abortiveness",
                "abortogenic",
                "aborts",
                "abound",
                "abounded",
                "abounding",
                "abounds",
                "about",
                "above",
                "aboveboard",
                "aboveground",
                "aboves",
                "abracadabra",
                "abradant",
                "abradants",
                "abrade",
                "abraded",
                "abrader",
                "abraders",
                "abrades",
                "abrading",
                "abraham",
                "abrasion",
                "abrasions",
                "abrasive",
                "abrasively",
                "abrasiveness",
                "abrasives",
                "abreact",
                "abreacted",
                "abreacting",
                "abreaction",
                "abreacts",
                "abreast",
                "abridge",
                "abridged",
                "abridgement",
                "abridgements",
                "abridger",
                "abridgers",
                "abridges",
                "abridging",
                "abridgment",
                "abridgments",
                "abroad",
                "abrogate",
                "abrogated",
                "abrogates",
                "abrogating",
                "abrogation",
                "abrogations",
                "abrogative",
                "abrogator",
                "abrogators",
                "abrupt",
                "abrupter",
                "abruptest",
                "abruptly",
                "abruptness",
                "abs",
                "abscam",
                "abscess",
                "abscessed",
                "abscesses",
                "abscessing",
                "abscise",
                "abscised",
                "abscises",
                "abscising",
                "abscissa",
                "abscissae",
                "abscissas",
                "abscission",
                "abscissions",
                "abscond",
                "absconded",
                "absconder",
                "absconders",
                "absconding",
                "absconds",
                "absence",
                "absences",
                "absent",
                "absented",
                "absentee",
                "absenteeism",
                "absentees",
                "absenter",
                "absenters",
                "absentia",
                "absenting",
                "absently",
                "absentminded",
                "absentmindedly",
                "absentmindedness",
                "absents",
                "absinth",
                "absinthe",
                "absinthes",
                "absinths",
                "absolute",
                "absolutely",
                "absoluteness",
                "absoluter",
                "absolutes",
                "absolutest",
                "absolution",
                "absolutions",
                "absolutism",
                "absolutist",
                "absolutistic",
                "absolutists",
                "absolvable",
                "absolve",
                "absolved",
                "absolver",
                "absolvers",
                "absolves",
                "absolving",
                "absorb",
                "absorbability",
                "absorbable",
                "absorbed",
                "absorbencies",
                "absorbency",
                "absorbent",
                "absorbents",
                "absorber",
                "absorbers",
                "absorbing",
                "absorbingly",
                "absorbs",
                "absorption",
                "absorptions",
                "absorptive",
                "abstain",
                "abstained",
                "abstainer",
                "abstainers",
                "abstaining",
                "abstains",
                "abstemious",
                "abstemiously",
                "abstemiousness",
                "abstention",
                "abstentionism",
                "abstentionist",
                "abstentions",
                "abstentious",
                "abstinence",
                "abstinent",
                "abstinently",
                "abstract",
                "abstracted",
                "abstractedly",
                "abstractedness",
                "abstracter",
                "abstracters",
                "abstracting",
                "abstraction",
                "abstractionism",
                "abstractionist",
                "abstractionists",
                "abstractions",
                "abstractly",
                "abstractness",
                "abstractor",
                "abstractors",
                "abstracts",
                "abstricts",
                "abstruse",
                "abstrusely",
                "abstruseness",
                "abstruser",
                "abstrusest",
                "absurd",
                "absurder",
                "absurdest",
                "absurdities",
                "absurdity",
                "absurdly",
                "absurdness",
                "absurds",
                "absurdum",
                "abt",
                "abubble",
                "abundance",
                "abundances",
                "abundant",
                "abundantly",
                "abusable",
                "abusage",
                "abuse",
                "abused",
                "abuser",
                "abusers",
                "abuses",
                "abusing",
                "abusive",
                "abusively",
                "abusiveness",
                "abut",
                "abutment",
                "abutments",
                "abuts",
                "abuttal",
                "abuttals",
                "abutted",
                "abutter",
                "abutters",
                "abutting",
                "abuzz",
                "abyes",
                "abysm",
                "abysmal",
                "abysmally",
                "abysms",
                "abyss",
                "abyssal"
            };

            return colors;
        }

LinearSearch.cs

private static int LinearSearch(List<string> list, string key)
{
    for (int i = 0; i < list.Count; i++)
    {
        if (list[0] == key)
        {
            return i;
        }
    }

    return -1;
}