Lots of offensive words you might want to filter for, I think originated from Google.

swears-new-line.txt

4r5e
5h1t
5hit
a55
anal
anus
ar5e
arrse
arse
ass
ass-fucker
asses
assfucker
assfukka
asshole
assholes
asswhole
a_s_s
b!tch
b00bs
b17ch
b1tch
ballbag
balls
ballsack
bastard
beastial
beastiality
bellend
bestial
bestiality
bi+ch
biatch
bitch
bitcher
bitchers
bitches
bitchin
bitching
bloody
blow
job
blowjob
blowjobs
boiolas
bollock
bollok
boner
boob
boobs
booobs
boooobs
booooobs
booooooobs
breasts
buceta
bugger
bum
bunny
fucker
butt
butthole
buttmuch
buttplug
c0ck
c0cksucker
carpet
muncher
cawk
chink
cipa
cl1t
clit
clitoris
clits
cnut
cock
cock-sucker
cockface
cockhead
cockmunch
cockmuncher
cocks
cocksuck
cocksucked
cocksucker
cocksucking
cocksucks
cocksuka
cocksukka
cok
cokmuncher
coksucka
coon
cox
crap
cum
cummer
cumming
cums
cumshot
cunilingus
cunillingus
cunnilingus
cunt
cuntlick
cuntlicker
cuntlicking
cunts
cyalis
cyberfuc
cyberfuck
cyberfucked
cyberfucker
cyberfuckers
cyberfucking
d1ck
damn
dick
dickhead
dildo
dildos
dink
dinks
dirsa
dlck
dog-fucker
doggin
dogging
donkeyribber
doosh
duche
dyke
ejaculate
ejaculated
ejaculates
ejaculating
ejaculatings
ejaculation
ejakulate
fuckfucker
f4nny
fag
fagging
faggitt
faggot
faggs
fagot
fagots
fags
fanny
fannyflaps
fannyfucker
fanyy
fatass
fcuk
fcuker
fcuking
feck
fecker
felching
fellate
fellatio
fingerfuck
fingerfucked
fingerfucker
fingerfuckers
fingerfucking
fingerfucks
fistfuck
fistfucked
fistfucker
fistfuckers
fistfucking
fistfuckings
fistfucks
flange
fook
fooker
fuck
fucka
fucked
fucker
fuckers
fuckhead
fuckheads
fuckin
fucking
fuckings
fuckingshitmotherfucker
fuckme
fucks
fuckwhit
fuckwit
fudge
packer
fudgepacker
fuk
fuker
fukker
fukkin
fuks
fukwhit
fukwit
fux
fux0r
f_u_c_k
gangbang
gangbanged
gangbangs
gaylord
gaysex
goatse
God
god-dam
god-damned
goddamn
goddamned
hardcoresex
hell
heshe
hoar
hoare
hoer
homo
hore
horniest
horny
hotsex
jack-off
jackoff
jap
jerk-off
jism
jiz
jizm
jizz
kawk
knob
knobead
knobed
knobend
knobhead
knobjocky
knobjokey
kock
kondum
kondums
kum
kummer
kumming
kums
kunilingus
l3i+ch
l3itch
labia
lmfao
lust
lusting
m0f0
m0fo
m45terbate
ma5terb8
ma5terbate
masochist
master-bate
masterb8
masterbat*
masterbat3
masterbate
masterbation
masterbations
masturbate
mo-fo
mof0
mofo
mothafuck
mothafucka
mothafuckas
mothafuckaz
mothafucked
mothafucker
mothafuckers
mothafuckin
mothafucking
mothafuckings
mothafucks
mother
fucker
motherfuck
motherfucked
motherfucker
motherfuckers
motherfuckin
motherfucking
motherfuckings
motherfuckka
motherfucks
muff
mutha
muthafecker
muthafuckker
muther
mutherfucker
n1gga
n1gger
nazi
nigg3r
nigg4h
nigga
niggah
niggas
niggaz
nigger
niggers
nob
nob
jokey
nobhead
nobjocky
nobjokey
numbnuts
nutsack
orgasim
orgasims
orgasm
orgasms
p0rn
pawn
pecker
penis
penisfucker
phonesex
phuck
phuk
phuked
phuking
phukked
phukking
phuks
phuq
pigfucker
pimpis
piss
pissed
pisser
pissers
pisses
pissflaps
pissin
pissing
pissoff
poop
porn
porno
pornography
pornos
prick
pricks
pron
pube
pusse
pussi
pussies
pussy
pussys
rectum
retard
rimjaw
rimming
shit
s.o.b.
sadist
schlong
screwing
scroat
scrote
scrotum
semen
sex
sh!+
sh!t
sh1t
shag
shagger
shaggin
shagging
shemale
shi+
shit
shitdick
shite
shited
shitey
shitfuck
shitfull
shithead
shiting
shitings
shits
shitted
shitter
shitters
shitting
shittings
shitty
skank
slut
sluts
smegma
smut
snatch
son-of-a-bitch
spac
spunk
s_h_i_t
t1tt1e5
t1tties
teets
teez
testical
testicle
tit
titfuck
tits
titt
tittie5
tittiefucker
titties
tittyfuck
tittywank
titwank
tosser
turd
tw4t
twat
twathead
twatty
twunt
twunter
v14gra
v1gra
vagina
viagra
vulva
w00se
wang
wank
wanker
wanky
whoar
whore
willies
willy
xrated
xxx

swears.js

["4r5e", "5h1t", "5hit", "a55", "anal", "anus", "ar5e", "arrse", "arse", "ass", "ass-fucker", "asses", "assfucker", "assfukka", "asshole", "assholes", "asswhole", "a_s_s", "b!tch", "b00bs", "b17ch", "b1tch", "ballbag", "balls", "ballsack", "bastard", "beastial", "beastiality", "bellend", "bestial", "bestiality", "bi+ch", "biatch", "bitch", "bitcher", "bitchers", "bitches", "bitchin", "bitching", "bloody", "blow job", "blowjob", "blowjobs", "boiolas", "bollock", "bollok", "boner", "boob", "boobs", "booobs", "boooobs", "booooobs", "booooooobs", "breasts", "buceta", "bugger", "bum", "bunny fucker", "butt", "butthole", "buttmuch", "buttplug", "c0ck", "c0cksucker", "carpet muncher", "cawk", "chink", "cipa", "cl1t", "clit", "clitoris", "clits", "cnut", "cock", "cock-sucker", "cockface", "cockhead", "cockmunch", "cockmuncher", "cocks", "cocksuck", "cocksucked", "cocksucker", "cocksucking", "cocksucks", "cocksuka", "cocksukka", "cok", "cokmuncher", "coksucka", "coon", "cox", "crap", "cum", "cummer", "cumming", "cums", "cumshot", "cunilingus", "cunillingus", "cunnilingus", "cunt", "cuntlick", "cuntlicker", "cuntlicking", "cunts", "cyalis", "cyberfuc", "cyberfuck", "cyberfucked", "cyberfucker", "cyberfuckers", "cyberfucking", "d1ck", "damn", "dick", "dickhead", "dildo", "dildos", "dink", "dinks", "dirsa", "dlck", "dog-fucker", "doggin", "dogging", "donkeyribber", "doosh", "duche", "dyke", "ejaculate", "ejaculated", "ejaculates", "ejaculating", "ejaculatings", "ejaculation", "ejakulate", "f u c k", "f u c k e r", "f4nny", "fag", "fagging", "faggitt", "faggot", "faggs", "fagot", "fagots", "fags", "fanny", "fannyflaps", "fannyfucker", "fanyy", "fatass", "fcuk", "fcuker", "fcuking", "feck", "fecker", "felching", "fellate", "fellatio", "fingerfuck", "fingerfucked", "fingerfucker", "fingerfuckers", "fingerfucking", "fingerfucks", "fistfuck", "fistfucked", "fistfucker", "fistfuckers", "fistfucking", "fistfuckings", "fistfucks", "flange", "fook", "fooker", "fuck", "fucka", "fucked", "fucker", "fuckers", "fuckhead", "fuckheads", "fuckin", "fucking", "fuckings", "fuckingshitmotherfucker", "fuckme", "fucks", "fuckwhit", "fuckwit", "fudge packer", "fudgepacker", "fuk", "fuker", "fukker", "fukkin", "fuks", "fukwhit", "fukwit", "fux", "fux0r", "f_u_c_k", "gangbang", "gangbanged", "gangbangs", "gaylord", "gaysex", "goatse", "God", "god-dam", "god-damned", "goddamn", "goddamned", "hardcoresex", "hell", "heshe", "hoar", "hoare", "hoer", "homo", "hore", "horniest", "horny", "hotsex", "jack-off", "jackoff", "jap", "jerk-off", "jism", "jiz", "jizm", "jizz", "kawk", "knob", "knobead", "knobed", "knobend", "knobhead", "knobjocky", "knobjokey", "kock", "kondum", "kondums", "kum", "kummer", "kumming", "kums", "kunilingus", "l3i+ch", "l3itch", "labia", "lmfao", "lust", "lusting", "m0f0", "m0fo", "m45terbate", "ma5terb8", "ma5terbate", "masochist", "master-bate", "masterb8", "masterbat*", "masterbat3", "masterbate", "masterbation", "masterbations", "masturbate", "mo-fo", "mof0", "mofo", "mothafuck", "mothafucka", "mothafuckas", "mothafuckaz", "mothafucked", "mothafucker", "mothafuckers", "mothafuckin", "mothafucking", "mothafuckings", "mothafucks", "mother fucker", "motherfuck", "motherfucked", "motherfucker", "motherfuckers", "motherfuckin", "motherfucking", "motherfuckings", "motherfuckka", "motherfucks", "muff", "mutha", "muthafecker", "muthafuckker", "muther", "mutherfucker", "n1gga", "n1gger", "nazi", "nigg3r", "nigg4h", "nigga", "niggah", "niggas", "niggaz", "nigger", "niggers", "nob", "nob jokey", "nobhead", "nobjocky", "nobjokey", "numbnuts", "nutsack", "orgasim", "orgasims", "orgasm", "orgasms", "p0rn", "pawn", "pecker", "penis", "penisfucker", "phonesex", "phuck", "phuk", "phuked", "phuking", "phukked", "phukking", "phuks", "phuq", "pigfucker", "pimpis", "piss", "pissed", "pisser", "pissers", "pisses", "pissflaps", "pissin", "pissing", "pissoff", "poop", "porn", "porno", "pornography", "pornos", "prick", "pricks", "pron", "pube", "pusse", "pussi", "pussies", "pussy", "pussys", "rectum", "retard", "rimjaw", "rimming", "s hit", "s.o.b.", "sadist", "schlong", "screwing", "scroat", "scrote", "scrotum", "semen", "sex", "sh!+", "sh!t", "sh1t", "shag", "shagger", "shaggin", "shagging", "shemale", "shi+", "shit", "shitdick", "shite", "shited", "shitey", "shitfuck", "shitfull", "shithead", "shiting", "shitings", "shits", "shitted", "shitter", "shitters", "shitting", "shittings", "shitty", "skank", "slut", "sluts", "smegma", "smut", "snatch", "son-of-a-bitch", "spac", "spunk", "s_h_i_t", "t1tt1e5", "t1tties", "teets", "teez", "testical", "testicle", "tit", "titfuck", "tits", "titt", "tittie5", "tittiefucker", "titties", "tittyfuck", "tittywank", "titwank", "tosser", "turd", "tw4t", "twat", "twathead", "twatty", "twunt", "twunter", "v14gra", "v1gra", "vagina", "viagra", "vulva", "w00se", "wang", "wank", "wanker", "wanky", "whoar", "whore", "willies", "willy", "xrated", "xxx"]

swears.txt

4r5e 5h1t 5hit a55 anal anus ar5e arrse arse ass ass-fucker asses assfucker assfukka asshole assholes asswhole a_s_s b!tch b00bs b17ch b1tch ballbag balls ballsack bastard beastial beastiality bellend bestial bestiality bi+ch biatch bitch bitcher bitchers bitches bitchin bitching bloody blow job blowjob blowjobs boiolas bollock bollok boner boob boobs booobs boooobs booooobs booooooobs breasts buceta bugger bum bunny fucker butt butthole buttmuch buttplug c0ck c0cksucker carpet muncher cawk chink cipa cl1t clit clitoris clits cnut cock cock-sucker cockface cockhead cockmunch cockmuncher cocks cocksuck cocksucked cocksucker cocksucking cocksucks cocksuka cocksukka cok cokmuncher coksucka coon cox crap cum cummer cumming cums cumshot cunilingus cunillingus cunnilingus cunt cuntlick cuntlicker cuntlicking cunts cyalis cyberfuc cyberfuck cyberfucked cyberfucker cyberfuckers cyberfucking d1ck damn dick dickhead dildo dildos dink dinks dirsa dlck dog-fucker doggin dogging donkeyribber doosh duche dyke ejaculate ejaculated ejaculates ejaculating ejaculatings ejaculation ejakulate fuckfucker f4nny fag fagging faggitt faggot faggs fagot fagots fags fanny fannyflaps fannyfucker fanyy fatass fcuk fcuker fcuking feck fecker felching fellate fellatio fingerfuck fingerfucked fingerfucker fingerfuckers fingerfucking fingerfucks fistfuck fistfucked fistfucker fistfuckers fistfucking fistfuckings fistfucks flange fook fooker fuck fucka fucked fucker fuckers fuckhead fuckheads fuckin fucking fuckings fuckingshitmotherfucker fuckme fucks fuckwhit fuckwit fudge packer fudgepacker fuk fuker fukker fukkin fuks fukwhit fukwit fux fux0r f_u_c_k gangbang gangbanged gangbangs gaylord gaysex goatse God god-dam god-damned goddamn goddamned hardcoresex hell heshe hoar hoare hoer homo hore horniest horny hotsex jack-off jackoff jap jerk-off jism jiz jizm jizz kawk knob knobead knobed knobend knobhead knobjocky knobjokey kock kondum kondums kum kummer kumming kums kunilingus l3i+ch l3itch labia lmfao lust lusting m0f0 m0fo m45terbate ma5terb8 ma5terbate masochist master-bate masterb8 masterbat* masterbat3 masterbate masterbation masterbations masturbate mo-fo mof0 mofo mothafuck mothafucka mothafuckas mothafuckaz mothafucked mothafucker mothafuckers mothafuckin mothafucking mothafuckings mothafucks mother fucker motherfuck motherfucked motherfucker motherfuckers motherfuckin motherfucking motherfuckings motherfuckka motherfucks muff mutha muthafecker muthafuckker muther mutherfucker n1gga n1gger nazi nigg3r nigg4h nigga niggah niggas niggaz nigger niggers nob nob jokey nobhead nobjocky nobjokey numbnuts nutsack orgasim orgasims orgasm orgasms p0rn pawn pecker penis penisfucker phonesex phuck phuk phuked phuking phukked phukking phuks phuq pigfucker pimpis piss pissed pisser pissers pisses pissflaps pissin pissing pissoff poop porn porno pornography pornos prick pricks pron pube pusse pussi pussies pussy pussys rectum retard rimjaw rimming shit s.o.b. sadist schlong screwing scroat scrote scrotum semen sex sh!+ sh!t sh1t shag shagger shaggin shagging shemale shi+ shit shitdick shite shited shitey shitfuck shitfull shithead shiting shitings shits shitted shitter shitters shitting shittings shitty skank slut sluts smegma smut snatch son-of-a-bitch spac spunk s_h_i_t t1tt1e5 t1tties teets teez testical testicle tit titfuck tits titt tittie5 tittiefucker titties tittyfuck tittywank titwank tosser turd tw4t twat twathead twatty twunt twunter v14gra v1gra vagina viagra vulva w00se wang wank wanker wanky whoar whore willies willy xrated xxx