fouvsfuWhat's the difference?

Quick tell: fou is a adjective, fu is an intj, so they fill different roles in a sentence.

Which to use

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

#48,244
“fou” frequency rank
#8,543
“fu” frequency rank
56787
confusion score

Side-by-Side Comparison

Feature fou fu
Definition Drunk. Initialism of fuck you.

Letter map: fou vs fu

Shared letters muted; letters that set fou and fu apart highlighted. Shared run: 2.

3 ch
fou
2 ch
fu

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fou is anadjective and fuanintj. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56787, derived from the frequency rank of both members and their visual similarity.

fou is recorded at frequency rank #48,244, classified as anadj. fu is at rank #8,543, tagged as anintj.

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 56787, this pair ranks #123,749 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of fou vs fu

Shared letters: fu. Private to "fou": o. Private to "fu": -.

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

Frequently Asked Questions

Can "fou" and "fu" be used interchangeably?
No - they are not even the same part of speech. "fou" is an adjective and "fu" an intj, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fou" or "fu"?
"fu" is the more common of the two: it sits at frequency rank #8,543 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 "fou" and "fu". Here's where to go from here.

  • Full dictionary entry for "fou" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #123,749 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fou" and "fu" 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list