Which to use
“flange” is a noun and “flank” is a verb - they look or sound alike but fill different roles in a sentence.
- #31,986
- “flange” frequency rank
- #12,241
- “flank” frequency rank
- 44227
- confusion score
Side-by-Side Comparison
| Feature | flange | flank |
|---|---|---|
| Definition | An external or internal rib or rim, used either to add strength or to hold something in place. | To attack the flank(s) of. |
Where the eye mixes flange and flank
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses flange with flank
These two trip readers on the page rather than in the ear: flange is /flænd͡ʒ/ while flank is /ˈflæŋk/. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 44227, derived from the frequency rank of both members and their visual similarity.
flange is recorded at frequency rank #31,986, classified as anoun, pronounced /flænd͡ʒ/. flank is at rank #12,241, tagged as averb, pronounced /ˈflæŋk/.
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 44227, this pair ranks #232,550 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of flange vs flank
Shared letters: afln. Private to "flange": eg. Private to "flank": k.
"flange" · 6 letters · shape CCVCCV · "flank" · 5 letters · shape CCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "flange" and "flank" mean the same thing in a sentence?
In ordinary English text, does "flange" or "flank" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "flange" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "flank" - compare definitions side by side with the headword page. Word entry
- This pair ranks #232,550 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "flange" and "flank" also get mixed up with nearby pairs, the highest-scored neighbour is "Flagg vs flange". 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 #232,550 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.