failsvsfamilyWhich spelling fits?

Quick tell: fails is a verb, family is a noun, so they fill different roles in a sentence.

Which to use

“fails” is a verb and “family” is a noun - they look or sound alike but fill different roles in a sentence.

#4,600
“fails” frequency rank
#205
“family” frequency rank
4805
confusion score

Side-by-Side Comparison

Feature fails family
Definition third-person singular simple present indicative of fail A group of people who are closely related to one another (by blood, marriage or adoption); kin; in particular, a set of parents and their children; an immediate family.

Where the eye mixes fails and family

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. fails runs 5 letters (CVVCC) against family's 6 (CVCVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
fails
6 ch
family

Why the eye confuses fails with family

These two trip readers on the page rather than in the ear: fails is /feɪlz/ while family is /ˈfæ.m(ɪ.)li/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 4805, derived from the frequency rank of both members and their visual similarity.

fails is recorded at frequency rank #4,600, classified as averb, pronounced /feɪlz/. family is at rank #205, tagged as anoun, pronounced /ˈfæ.m(ɪ.)li/.

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 4805, this pair ranks #517,610 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fails vs family

Shared letters: afil. Private to "fails": s. Private to "family": my.

"fails" · 5 letters · shape CVVCC  ·  "family" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • fails ← afils · faills · failss · faisl · falis · ffails · fials
  • family ← afmily · faimly · familly · familyy · famiyl · famliy · fammily · ffamily

Frequently Asked Questions

Do "fails" and "family" mean the same thing in a sentence?
No - they are not even the same part of speech. "fails" is a verb and "family" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fails" vs "family" - which ranks higher?
"family" is the more common of the two: it sits at frequency rank #205 in our English list, against #4,600 for "fails". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "fails" and "family" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fails" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "family" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #517,610 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fails" and "family" also get mixed up with nearby pairs, the highest-scored neighbour is "fails vs flail". 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 #517,610 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list