The 47 words that get AI content flagged — plus the 7 patterns detectors actually measure. Backed by Stanford, PNAS, and 15K-sample research.

gist-content.md

 1|# The 47 Words That Get Your AI Content Flagged (And What to Say Instead)
 2|
 3|I spent 6 hours digging into what AI detectors actually measure — not the marketing hype, but the academic research from Stanford, PNAS, and 15K-sample evaluations. Here's what kills your content.
 4|
 5|## The Core Problem
 6|
 7|Modern AI detectors don't look for "AI patterns" in some vague sense. They track specific statistical signals:
 8|
 9|- **Perplexity** — How predictable your word choices are
10|- **Burstiness** — How much your sentence lengths vary  
11|- **Zipf's Law Conformity** — The most reliable single metric
12|- **Multiplicative Signal Scoring** — When 3+ AI signals cluster in one sentence, the score multiplies (not adds)
13|
14|The insight that changed how I write: detection evasion is a side effect of writing better. Chase quality, not detector scores.
15|
16|## The 7 Dead-Giveaway Patterns
17|
18|**1. Uniform Sentence Length**
19|AI defaults to 14-18 word sentences. Real humans write everything from 3 to 45 words. That variation is called "burstiness" and it's the #1 thing detectors measure.
20|
21|**2. The Synonym Carousel**
22|AI over-penalizes repetition. So "developer" becomes "specialist" → "professional" → "expert" across paragraphs. No actual writer does this. Use the right word every time.
23|
24|**3. Tricolons (Rule of Three)**
25|"Speed, quality, and efficiency." AI puts exactly three items in every list. If every bullet has three items, that's the robot talking. Mix it up: one item, two, four.
26|
27|**4. Hedge Fund Prose**
28|"It is important to note that..." "One cannot overstate the significance of..." These add zero information. They come from RLHF training where annotators never punish hedging.
29|
30|**5. Vague Generalities**
31|"Content marketing is a powerful strategy that helps businesses reach their target audience." Technically correct. Completely useless.
32|
33|**6. Parallel Negation**
34|"Not because my standards dropped — but because I realized..." This structure appears 5-10x more often in AI text.
35|
36|**7. Neat Paragraph Endings**
37|Every paragraph wraps with a tidy conclusion. Humans leave loose ends.
38|
39|## The Banned Word List
40|
41|### Tier 1 — Strongest Detection Signals (10-50x more common in AI)
42|
43|| AI Word | Frequency | Use Instead |
44||---------|-----------|-------------|
45|| Delve | 48x | dig into, explore, look at |
46|| Tapestry | 35x | mix, combination, collection |
47|| Multifaceted | 28x | complex, layered, varied |
48|| Nuanced | 22x | subtle, detailed |
49|| Landscape (metaphorical) | 19x | field, space, world |
50|| Comprehensive | 17x | full, complete, thorough |
51|| Pivotal | 16x | key, critical, important |
52|| Crucial | 14x | important, key, necessary |
53|| Leverage (verb) | 13x | use, take advantage of |
54|| Robust | 12x | strong, solid, reliable |
55|| Streamline | 11x | simplify, speed up |
56|| Utilize | 10x | use |
57|| Facilitate | 10x | help, enable, support |
58|| Embark | 9x | start, begin |
59|
60|### Tier 2 — Moderate Signals
61|crucial, vibrant, foster, enhance, navigate, resonate, illuminate, showcase, enduring, holistic, innovative, dynamic, seamless, cutting-edge, game-changer
62|
63|### Tier 3 — Transitions (fine alone, but AI clusters them)
64|Furthermore, Moreover, Additionally, Consequently, Nevertheless, Subsequently, Nonetheless, Hence, Thus, In conclusion, In summary
65|
66|## What Actually Works
67|
68|From 23 campaigns tested (Nerdbot Q3 2025):
69|
70|- **Micro-storytelling** → +47% open rates
71|- **Contrarian hooks** → +82% read time
72|- **Data interruption** (specific numbers mid-text) → +34% engagement
73|- **Voice breaking** (intentional rhythm disruption) → +91% shares
74|- **Humanized vs raw AI** → 3.4x engagement, 68% better conversion
75|
76|The formula: AI drafts structure and research. Humans write the intro, conclusion, add real anecdotes, and make every claim specific.
77|
78|## The Quick Fix
79|
80|If you take one thing from this: vary your sentence lengths. Write one sentence. Then follow it with something longer that actually explores the idea. Then hit them with a short one. That variation alone defeats burstiness analysis — and it makes your writing more engaging anyway.
81|
82|93% of consumers prefer human-written interactions (Kinsta 2025). Human-edited content ranks 8x more likely at position 1 on Google (Search Engine Land 2025). The gap isn't going away.
83|
84|---
85|
86|*Sources: PNAS Reinhart et al. 2025, Stanford & University of Tübingen, arXiv 2502.15666, Nerdbot Q3 2025 testing, Search Engine Land 2025*
87|