fuvsfundWhat's the difference?

Quick tell: fu is a intj, fund is a noun, so they fill different roles in a sentence.

Which to use

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

#8,543
“fu” frequency rank
#1,600
“fund” frequency rank
10143
confusion score

Side-by-Side Comparison

Feature fu fund
Definition Initialism of fuck you. A sum or source of money.

Letter map: fu vs fund

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

2 ch
fu
4 ch
fund

Part-of-speech tell for fu / fund

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fu is anintj and fundanoun. On the page they differ by 2 extra letter(s) - “fu” sits inside “fund”. Our composite confusion score for this pair is 10143, derived from the frequency rank of both members and their visual similarity.

fu is recorded at frequency rank #8,543, classified as anintj. fund is at rank #1,600, tagged as anoun, pronounced /ˈfʌnd/.

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 10143, this pair ranks #493,772 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fu vs fund

Shared letters: fu. Private to "fu": -. Private to "fund": dn.

"fu" · 2 letters · shape CV  ·  "fund" · 4 letters · shape CVCC

Known mistypes of this pair

  • fundffund · fnud · fudn · fundd · funnd · ufnd

Frequently Asked Questions

Is swapping "fu" for "fund" ever safe?
No - they are not even the same part of speech. "fu" is an intj and "fund" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fu" or "fund"?
"fund" is the more common of the two: it sits at frequency rank #1,600 in our English list, against #8,543 for "fu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "fu" and "fund".

  • Full dictionary entry for "fu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fund" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #493,772 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fu" and "fund" 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

Confusion rank #493,772 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list