unifyvsuntidyTell them apart

Quick tell: unify is a verb, untidy is an adjective, so they fill different roles in a sentence.

Which to use

“unify” is a verb and “untidy” is an adjective - they look or sound alike but fill different roles in a sentence.

#26,646
“unify” frequency rank
#46,838
“untidy” frequency rank
73484
confusion score

Side-by-Side Comparison

Feature unify untidy
Definition Cause to become one; make into a unit; consolidate; merge; combine. Sloppy.

Where the eye mixes unify and untidy

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

5 ch
unify
6 ch
untidy

Look-alike desk: unify vs untidy

These two trip readers on the page rather than in the ear: unify is /ˈjuːnɪfaɪ/ while untidy is /ʌnˈtaɪdi/. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 73484, derived from the frequency rank of both members and their visual similarity.

unify is recorded at frequency rank #26,646, classified as averb, pronounced /ˈjuːnɪfaɪ/. untidy is at rank #46,838, tagged as anadj, pronounced /ʌnˈtaɪdi/.

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 73484, this pair ranks #39,450 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of unify vs untidy

Shared letters: inuy. Private to "unify": f. Private to "untidy": dt.

"unify" · 5 letters · shape VCVCV  ·  "untidy" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • unify ← nuify · uinfy · unfiy · uniffy · unifyy · uniyf · unnify
  • untidy ← nutidy · unitdy · unntidy · untdiy · untiddy · untidyy · untiyd · unttidy

Frequently Asked Questions

Is swapping "unify" for "untidy" ever safe?
No - they are not even the same part of speech. "unify" is a verb and "untidy" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "unify" or "untidy" show up more?
"unify" is the more common of the two: it sits at frequency rank #26,646 in our English list, against #46,838 for "untidy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "unify" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "untidy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #39,450 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "unify" and "untidy" also get mixed up with nearby pairs, the highest-scored neighbour is "untidy vs untied". 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 #39,450 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