Which to use
“FEI” is a name and “feign” is a verb - they look or sound alike but fill different roles in a sentence.
- #22,967
- “FEI” frequency rank
- #48,234
- “feign” frequency rank
- 71201
- confusion score
Side-by-Side Comparison
| Feature | FEI | feign |
|---|---|---|
| Definition | Initialism of Federal Executive Institute. | To make a false show or pretence of; to counterfeit or simulate. |
Letter map: FEI vs feign
Shared letters muted; letters that set FEI and feign apart highlighted. Shared run: 3.
Part-of-speech tell for FEI / feign
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: FEI is aname and feignaverb. On the page they differ by 2 extra letter(s) - “FEI” sits inside “feign”. Our composite confusion score for this pair is 71201, derived from the frequency rank of both members and their visual similarity.
FEI is recorded at frequency rank #22,967, classified as aname. feign is at rank #48,234, tagged as averb, pronounced /feɪn/.
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 71201, this pair ranks #47,618 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of FEI vs feign
Shared letters: efi. Private to "FEI": -. Private to "feign": gn.
"FEI" · 3 letters · shape CVV · "feign" · 5 letters · shape CVVCC
Known mistypes of this pair
- feign ← efign · fegin · feiggn · feignn · feing · ffeign · fiegn
Frequently Asked Questions
Do "FEI" and "feign" mean the same thing in a sentence?
Frequency check: "FEI" vs "feign" - which ranks higher?
What to do next
You've compared "FEI" and "feign". Here's where to go from here.
- Full dictionary entry for "FEI" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "feign" - compare definitions side by side with the headword page. Word entry
- This pair ranks #47,618 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "FEI" and "feign" also get mixed up with nearby pairs, the highest-scored neighbour is "feign vs Fenn". 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 #47,618 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.