Fe vs fou, What's the Difference?

Which to use

“Fe” is a noun and “fou” is an adjective - they look or sound alike but fill different roles in a sentence.

#8,285
“Fe” frequency rank: #48,244
“fou” frequency rank: 56529
confusion score

Side-by-Side Comparison

Feature	Fe	fou
Definition	American Library Association abbreviation for forty-eighth, a book size (7.5-10 cm in height); a book of that height.	Drunk.

Letter map: Fe vs fou

Shared letters muted; letters that set Fe and fou apart highlighted. Shared run: 1.

2 ch

3 ch

fou

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Fe is anoun and fouanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56529, derived from the frequency rank of both members and their visual similarity.

Fe is recorded at frequency rank #8,285, classified as anoun. fou is at rank #48,244, tagged as anadj.

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 56529, this pair ranks #125,620 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Fe vs fou

Shared letters: f. Private to "Fe": e. Private to "fou": ou.

"Fe" · 2 letters · shape CV · "fou" · 3 letters · shape CVV

Frequently Asked Questions

Can "Fe" and "fou" be used interchangeably?

No - they are not even the same part of speech. "Fe" is a noun and "fou" an adjective, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "Fe" or "fou"?

"Fe" is the more common of the two: it sits at frequency rank #8,285 in our English list, against #48,244 for "fou". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "Fe" and "fou". Here's where to go from here.

Full dictionary entry for "Fe" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "fou" - compare definitions side by side with the headword page. Word entry
This pair ranks #125,620 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"Fe" and "fou" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs fou". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.