Which to use
“facile” is an adjective and “fails” is a verb - they look or sound alike but fill different roles in a sentence.
- #46,456
- “facile” frequency rank
- #4,600
- “fails” frequency rank
- 51056
- confusion score
Side-by-Side Comparison
| Feature | facile | fails |
|---|---|---|
| Definition | Easy; contemptibly easy. | third-person singular simple present indicative of fail |
Where the eye mixes facile and fails
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. facile runs 6 letters (CVCVCV) against fails's 5 (CVVCC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between facile and fails
These two trip readers on the page rather than in the ear: facile is /ˈfæs.aɪl/ while fails is /feɪlz/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 51056, derived from the frequency rank of both members and their visual similarity.
facile is recorded at frequency rank #46,456, classified as anadj, pronounced /ˈfæs.aɪl/. fails is at rank #4,600, tagged as averb, pronounced /feɪlz/.
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 51056, this pair ranks #168,769 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of facile vs fails
Shared letters: afil. Private to "facile": ce. Private to "fails": s.
"facile" · 6 letters · shape CVCVCV · "fails" · 5 letters · shape CVVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "facile" for "fails" ever safe?
Frequency check: "facile" vs "fails" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "facile" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fails" - compare definitions side by side with the headword page. Word entry
- This pair ranks #168,769 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "facile" and "fails" also get mixed up with nearby pairs, the highest-scored neighbour is "facie vs facile". 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 #168,769 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.