fungvsfusingWhich spelling fits?

Quick tell: fung is a noun, fusing is a verb, so they fill different roles in a sentence.

Which to use

“fung” is a noun and “fusing” is a verb - they look or sound alike but fill different roles in a sentence.

#30,806
“fung” frequency rank
#32,405
“fusing” frequency rank
63211
confusion score

Side-by-Side Comparison

Feature fung fusing
Definition Fungus. present participle and gerund of fuse

Letter map: fung vs fusing

Shared letters muted; letters that set fung and fusing apart highlighted. Shared run: 4.

4 ch
fung
6 ch
fusing

Part-of-speech tell for fung / fusing

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fung is anoun and fusingaverb. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 63211, derived from the frequency rank of both members and their visual similarity.

fung is recorded at frequency rank #30,806, classified as anoun. fusing is at rank #32,405, tagged as averb, pronounced /ˈfjuːzɪŋ/.

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 63211, this pair ranks #84,198 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of fung vs fusing

Shared letters: fgnu. Private to "fung": -. Private to "fusing": is.

"fung" · 4 letters · shape CVCC  ·  "fusing" · 6 letters · shape CVCVCC

Known mistypes of this pair

  • fungffung · fnug · fugn · fungg · funng · ufng
  • fusingffusing · fsuing · fuisng · fusign · fusingg · fusinng · fusnig · ufsing

Frequently Asked Questions

Do "fung" and "fusing" mean the same thing in a sentence?
No - they are not even the same part of speech. "fung" is a noun and "fusing" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "fung" or "fusing" show up more?
"fung" is the more common of the two: it sits at frequency rank #30,806 in our English list, against #32,405 for "fusing". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "fung" vs "fusing" is on the table, pick a follow-up below.

  • Full dictionary entry for "fung" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fusing" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #84,198 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fung" and "fusing" also get mixed up with nearby pairs, the highest-scored neighbour is "Fenn vs fung". 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 #84,198 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