infervsinvertTell them apart

Which to use

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

#23,568
“infer” frequency rank
#39,865
“invert” frequency rank
63433
confusion score

Side-by-Side Comparison

Feature infer invert
Definition To introduce (something) as a reasoned conclusion; to conclude by reasoning or deduction, as from premises or evidence. To turn (something) upside down or inside out; to place in a contrary order or direction.

Where the eye mixes infer and invert

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

5 ch
infer
6 ch
invert

Visual trap between infer and invert

A purely visual mix-up. infer (/ɪnˈfɜː/) and invert (/ɪnˈvɜːt/) 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 63433, derived from the frequency rank of both members and their visual similarity.

infer is recorded at frequency rank #23,568, classified as averb, pronounced /ɪnˈfɜː/. invert is at rank #39,865, tagged as averb, pronounced /ɪnˈvɜːt/.

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 63433, this pair ranks #82,988 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of infer vs invert

Shared letters: einr. Private to "infer": f. Private to "invert": tv.

"infer" · 5 letters · shape VCCVC  ·  "invert" · 6 letters · shape VCCVCC

Known mistypes of this pair

  • inferinefr · inferr · inffer · infre · innfer · nifer
  • invertinevrt · innvert · inverrt · invertt · invetr · invret · invvert · ivnert

Frequently Asked Questions

Is swapping "infer" for "invert" ever safe?
No. They are said differently (/ɪnˈfɜː/ versus /ɪnˈvɜːt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "infer" or "invert"?
"infer" is the more common of the two: it sits at frequency rank #23,568 in our English list, against #39,865 for "invert". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "infer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "invert" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #82,988 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "infer" and "invert" also get mixed up with nearby pairs, the highest-scored neighbour is "invert vs Iver". 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 #82,988 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