Which to use
“folly” and “foy” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #18,561
- “folly” frequency rank
- #36,566
- “foy” frequency rank
- 55127
- confusion score
Side-by-Side Comparison
| Feature | folly | foy |
|---|---|---|
| Definition | Foolishness that results from a lack of foresight or lack of practicality. | Faith, allegiance. |
Letter map: folly vs foy
Shared letters muted; letters that set folly and foy apart highlighted. Shared run: 3. folly runs 5 letters (CVCCV) against foy's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.
Spelling & dictionary notes on folly vs foy
folly and foy are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 55127, derived from the frequency rank of both members and their visual similarity.
folly is recorded at frequency rank #18,561, classified as anoun, pronounced /ˈfɑli/. foy is at rank #36,566, tagged as anoun.
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 55127, this pair ranks #136,001 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of folly vs foy
Shared letters: foy. Private to "folly": l. Private to "foy": -.
"folly" · 5 letters · shape CVCCV · "foy" · 3 letters · shape CVV
Known mistypes of this pair
- folly ← ffolly · floly · follyy · foly · folyl · oflly
Frequently Asked Questions
Do "folly" and "foy" mean the same thing in a sentence?
Which is more common, "folly" or "foy"?
Useful next steps
Pair "folly" vs "foy" is on the table, pick a follow-up below.
- Full dictionary entry for "folly" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "foy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #136,001 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "folly" and "foy" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs foy". 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 #136,001 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.