fourvsfuWhat's the difference?

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

Which to use

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

#272
“four” frequency rank
#8,543
“fu” frequency rank
8815
confusion score

Side-by-Side Comparison

Feature four fu
Definition A numerical value equal to 4; the number after three and before five; two plus two. This many dots (••••) Initialism of fuck you.

Letter map: four vs fu

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

4 ch
four
2 ch
fu

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: four is anum and fuanintj. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 8815, derived from the frequency rank of both members and their visual similarity.

four is recorded at frequency rank #272, classified as anum, pronounced /foɹ/. 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 8815, this pair ranks #500,572 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of four vs fu

Shared letters: fu. Private to "four": or. Private to "fu": -.

"four" · 4 letters · shape CVVC  ·  "fu" · 2 letters · shape CV

Known mistypes of this pair

  • fourffour · foru · fourr · fuor · ofur

Frequently Asked Questions

Can "four" and "fu" be used interchangeably?
No - they are not even the same part of speech. "four" is a num and "fu" an intj, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "four" or "fu"?
"four" is the more common of the two: it sits at frequency rank #272 in our English list, against #8,543 for "fu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "four" and "fu". Here's where to go from here.

  • Full dictionary entry for "four" 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 #500,572 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "four" and "fu" also get mixed up with nearby pairs, the highest-scored neighbour is "foh vs fu". 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

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