Which to use
“flying” is an adjective and “fusing” is a verb - they look or sound alike but fill different roles in a sentence.
- #1,997
- “flying” frequency rank
- #32,405
- “fusing” frequency rank
- 34402
- confusion score
Side-by-Side Comparison
| Feature | flying | fusing |
|---|---|---|
| Definition | That flies or can fly. | present participle and gerund of fuse |
Where the eye mixes flying and fusing
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between flying and fusing
These two trip readers on the page rather than in the ear: flying is /ˈflaɪ.ɪŋ/ while fusing is /ˈfjuːzɪŋ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 34402, derived from the frequency rank of both members and their visual similarity.
flying is recorded at frequency rank #1,997, classified as anadj, pronounced /ˈflaɪ.ɪŋ/. 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 34402, this pair ranks #321,127 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of flying vs fusing
Shared letters: fgin. Private to "flying": ly. Private to "fusing": su.
"flying" · 6 letters · shape CCVVCC · "fusing" · 6 letters · shape CVCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "flying" and "fusing" mean the same thing in a sentence?
In ordinary English text, does "flying" or "fusing" show up more?
Useful next steps
Eye-level mix-up between "flying" and "fusing" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "flying" 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 #321,127 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "flying" 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 #321,127 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.