Which to use
“afoul” is an adverb and “AOL” is a name - they look or sound alike but fill different roles in a sentence.
- #45,192
- “afoul” frequency rank
- #21,132
- “AOL” frequency rank
- 66324
- confusion score
Side-by-Side Comparison
| Feature | afoul | AOL |
|---|---|---|
| Definition | In a state of collision or entanglement. | Initialism of America Online. |
Letter map: afoul vs AOL
Shared letters muted; letters that set afoul and AOL apart highlighted. Shared run: 3. afoul runs 5 letters (VCVVC) against AOL's 3 (VVC) - the length gap alone is often enough to separate them once you know to check it.
Grammar separator: afoul vs AOL
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: afoul is anadverb and AOLaname. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 66324, derived from the frequency rank of both members and their visual similarity.
afoul is recorded at frequency rank #45,192, classified as anadv, pronounced /əˈfaʊl/. AOL is at rank #21,132, tagged as aname.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 66324, this pair ranks #68,560 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of afoul vs AOL
Shared letters: alo. Private to "afoul": fu. Private to "AOL": -.
"afoul" · 5 letters · shape VCVVC · "AOL" · 3 letters · shape VVC
Known mistypes of this pair
- afoul ← affoul · afolu · afoull · afuol · aoful · faoul
Frequently Asked Questions
Is swapping "afoul" for "AOL" ever safe?
Frequency check: "afoul" vs "AOL" - which ranks higher?
What to do next
Pair "afoul" vs "AOL" is on the table, pick a follow-up below.
- Full dictionary entry for "afoul" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "AOL" - compare definitions side by side with the headword page. Word entry
- This pair ranks #68,560 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "afoul" and "AOL" also get mixed up with nearby pairs, the highest-scored neighbour is "afoul vs AWOL". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #68,560 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.