assertvsavertTell them apart

Which to use

“assert” and “avert” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#12,544
“assert” frequency rank
#24,090
“avert” frequency rank
36634
confusion score

Side-by-Side Comparison

Feature assert avert
Definition To declare with assurance or plainly and strongly; to state positively. To turn aside or away.

Where the eye mixes assert and avert

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

6 ch
assert
5 ch
avert

Visual trap between assert and avert

A purely visual mix-up. assert (/əˈsɜːt/) and avert (/əˈvɝt/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 36634, derived from the frequency rank of both members and their visual similarity.

assert is recorded at frequency rank #12,544, classified as averb, pronounced /əˈsɜːt/. avert is at rank #24,090, tagged as averb, pronounced /əˈvɝt/.

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 36634, this pair ranks #301,502 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of assert vs avert

Shared letters: aert. Private to "assert": s. Private to "avert": v.

"assert" · 6 letters · shape VCCVCC  ·  "avert" · 5 letters · shape VCVCC

Known mistypes of this pair

  • assertasert · asesrt · asserrt · assertt · assetr · assret · sasert
  • avertaevrt · averrt · avertt · avetr · avret · avvert · vaert

Frequently Asked Questions

Do "assert" and "avert" mean the same thing in a sentence?
No. They are said differently (/əˈsɜːt/ versus /əˈvɝt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "assert" or "avert" show up more?
"assert" is the more common of the two: it sits at frequency rank #12,544 in our English list, against #24,090 for "avert". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "assert" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "avert" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #301,502 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "assert" and "avert" also get mixed up with nearby pairs, the highest-scored neighbour is "adverb vs avert". 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 #301,502 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