flingvsfusingWhat's the difference?

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

Which to use

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

#18,826
“fling” frequency rank
#32,405
“fusing” frequency rank
51231
confusion score

Side-by-Side Comparison

Feature fling fusing
Definition An act of throwing, often violently. present participle and gerund of fuse

Where the eye mixes fling and fusing

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
fling
6 ch
fusing

Why the eye confuses fling with fusing

These two trip readers on the page rather than in the ear: fling is /ˈflɪŋ/ while fusing is /ˈfjuːzɪŋ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 51231, derived from the frequency rank of both members and their visual similarity.

fling is recorded at frequency rank #18,826, classified as anoun, pronounced /ˈflɪŋ/. 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 51231, this pair ranks #167,218 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fling vs fusing

Shared letters: fgin. Private to "fling": l. Private to "fusing": su.

"fling" · 5 letters · shape CCVCC  ·  "fusing" · 6 letters · shape CVCVCC

Known mistypes of this pair

  • flingffling · filng · flign · flingg · flinng · flling · flnig · lfing
  • fusingffusing · fsuing · fuisng · fusign · fusingg · fusinng · fusnig · ufsing

Frequently Asked Questions

Is swapping "fling" for "fusing" ever safe?
No - they are not even the same part of speech. "fling" is a noun and "fusing" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "fling" or "fusing" show up more?
"fling" is the more common of the two: it sits at frequency rank #18,826 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.

What to do next

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

  • Full dictionary entry for "fling" 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 #167,218 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fling" and "fusing" also get mixed up with nearby pairs, the highest-scored neighbour is "fisting vs fusing". 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 #167,218 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