fliesvsfusesWhich spelling fits?

Which to use

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

#6,142
“flies” frequency rank
#26,436
“fuses” frequency rank
32578
confusion score

Side-by-Side Comparison

Feature flies fuses
Definition plural of fly plural of fuse

Where the eye mixes flies and fuses

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. flies (CCVVC) and fuses (CVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
flies
5 ch
fuses

Why the eye confuses flies with fuses

A purely visual mix-up. flies (/flaɪz/) and fuses (/ˈfjuːzɪz/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 32578, derived from the frequency rank of both members and their visual similarity.

flies is recorded at frequency rank #6,142, classified as anoun, pronounced /flaɪz/. fuses is at rank #26,436, tagged as anoun, pronounced /ˈfjuːzɪz/.

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 32578, this pair ranks #336,605 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of flies vs fuses

Shared letters: efs. Private to "flies": il. Private to "fuses": u.

"flies" · 5 letters · shape CCVVC  ·  "fuses" · 5 letters · shape CVCVC

Known mistypes of this pair

  • flies ← fflies · fleis · fliess · flise · fllies · lfies
  • fuses ← ffuses · fsues · fuess · fusess · fusses · ufses

Frequently Asked Questions

Is swapping "flies" for "fuses" ever safe?
No. They are said differently (/flaɪz/ versus /ˈfjuːzɪz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "flies" or "fuses"?
"flies" is the more common of the two: it sits at frequency rank #6,142 in our English list, against #26,436 for "fuses". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "flies" and "fuses" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "flies" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fuses" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #336,605 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "flies" and "fuses" also get mixed up with nearby pairs, the highest-scored neighbour is "fume vs fuses". 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 #336,605 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