matevsmutateTell them apart

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

Which to use

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

#2,743
“mate” frequency rank
#45,532
“mutate” frequency rank
48275
confusion score

Side-by-Side Comparison

Feature mate mutate
Definition A fellow, comrade, colleague, partner or someone with whom something is shared, e.g. shipmate, classmate. To undergo mutation.

Where the eye mixes mate and mutate

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
mate
6 ch
mutate

Visual trap between mate and mutate

These two trip readers on the page rather than in the ear: mate is /meɪt/ while mutate is /mjuːˈteɪt/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 48275, derived from the frequency rank of both members and their visual similarity.

mate is recorded at frequency rank #2,743, classified as anoun, pronounced /meɪt/. mutate is at rank #45,532, tagged as averb, pronounced /mjuːˈteɪt/.

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 48275, this pair ranks #194,649 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mate vs mutate

Shared letters: aemt. Private to "mate": -. Private to "mutate": u.

"mate" · 4 letters · shape CVCV  ·  "mutate" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • mateamte · mmate · mtae
  • mutatemmutate · mtuate · muatte · mutaet · mutatte · muttae · muttate · umtate

Frequently Asked Questions

Is swapping "mate" for "mutate" ever safe?
No - they are not even the same part of speech. "mate" is a noun and "mutate" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "mate" vs "mutate" - which ranks higher?
"mate" is the more common of the two: it sits at frequency rank #2,743 in our English list, against #45,532 for "mutate". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "mate" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mutate" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #194,649 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mate" and "mutate" also get mixed up with nearby pairs, the highest-scored neighbour is "Murat vs mutate". 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 #194,649 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