fungvsfungusTell them apart

Which to use

“fung” and “fungus” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#30,806
“fung” frequency rank
#14,329
“fungus” frequency rank
45135
confusion score

Side-by-Side Comparison

Feature fung fungus
Definition Fungus. Any member of the kingdom Fungi; a eukaryotic organism typically having chitin cell walls but no chlorophyll or plastids. Fungi may be unicellular or multicellular.

Letter map: fung vs fungus

Shared letters muted; letters that set fung and fungus apart highlighted. Shared run: 4. fung runs 4 letters (CVCC) against fungus's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
fung
6 ch
fungus

Spelling & dictionary notes on fung vs fungus

fung and fungus are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 extra letter(s) - “fung” sits inside “fungus”. Our composite confusion score for this pair is 45135, derived from the frequency rank of both members and their visual similarity.

fung is recorded at frequency rank #30,806, classified as anoun. fungus is at rank #14,329, tagged as anoun, pronounced /ˈfʌŋ.ɡəs/.

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 45135, this pair ranks #224,099 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fung vs fungus

Shared letters: fgnu. Private to "fung": -. Private to "fungus": s.

"fung" · 4 letters · shape CVCC  ·  "fungus" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • fung ← ffung · fnug · fugn · fungg · funng · ufng
  • fungus ← ffungus · fnugus · fugnus · funggus · fungsu · funguss · funngus · funugs

Frequently Asked Questions

Can "fung" and "fungus" be used interchangeably?
No. They differ by 2 extra letter(s) - “fung” sits inside “fungus”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "fung" vs "fungus" - which ranks higher?
"fungus" is the more common of the two: it sits at frequency rank #14,329 in our English list, against #30,806 for "fung". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "fung" vs "fungus" 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 "fungus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #224,099 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fung" and "fungus" 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 #224,099 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