Which to use
“fasting” and “fusing” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #13,514
- “fasting” frequency rank
- #32,405
- “fusing” frequency rank
- 45919
- confusion score
Side-by-Side Comparison
| Feature | fasting | fusing |
|---|---|---|
| Definition | present participle and gerund of fast | present participle and gerund of fuse |
Where the eye mixes fasting and fusing
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses fasting with fusing
A purely visual mix-up. fasting (/ˈfæstɪŋ/) and fusing (/ˈfjuːzɪŋ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 45919, derived from the frequency rank of both members and their visual similarity.
fasting is recorded at frequency rank #13,514, classified as averb, pronounced /ˈfæstɪŋ/. 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 45919, this pair ranks #216,695 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fasting vs fusing
Shared letters: fgins. Private to "fasting": at. Private to "fusing": u.
"fasting" · 7 letters · shape CVCCVCC · "fusing" · 6 letters · shape CVCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "fasting" for "fusing" ever safe?
Frequency check: "fasting" vs "fusing" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "fasting" 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 #216,695 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fasting" 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 #216,695 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.