insertvsinvertWhich spelling fits?

Which to use

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

#7,019
“insert” frequency rank
#39,865
“invert” frequency rank
46884
confusion score

Side-by-Side Comparison

Feature insert invert
Definition To put in between or into. To turn (something) upside down or inside out; to place in a contrary order or direction.

Where the eye mixes insert and invert

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
insert
6 ch
invert

Why the eye confuses insert with invert

A purely visual mix-up. insert (/ɪnˈsɜːt/) 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 a single letter - s in “insert” becomes v in “invert”. Our composite confusion score for this pair is 46884, derived from the frequency rank of both members and their visual similarity.

insert is recorded at frequency rank #7,019, classified as averb, pronounced /ɪnˈsɜːt/. 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 46884, this pair ranks #207,548 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of insert vs invert

Shared letters: einrt. Private to "insert": s. Private to "invert": v.

"insert" · 6 letters · shape VCCVCC  ·  "invert" · 6 letters · shape VCCVCC

Known mistypes of this pair

  • insertinesrt · innsert · inserrt · insertt · insetr · insret · inssert · isnert
  • invertinevrt · innvert · inverrt · invertt · invetr · invret · invvert · ivnert

Frequently Asked Questions

Is swapping "insert" for "invert" ever safe?
No. They are said differently (/ɪnˈsɜːt/ versus /ɪnˈvɜːt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "insert" vs "invert" - which ranks higher?
"insert" is the more common of the two: it sits at frequency rank #7,019 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.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "insert" 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 #207,548 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "insert" 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 #207,548 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