Which to use
“FOSS” and “fuses” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #33,655
- “FOSS” frequency rank
- #26,436
- “fuses” frequency rank
- 60091
- confusion score
Side-by-Side Comparison
| Feature | FOSS | fuses |
|---|---|---|
| Definition | Initialism of Free and Open Source Software. | plural of fuse |
Where the eye mixes FOSS and fuses
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between FOSS and fuses
A purely visual mix-up. FOSS (/fɒs/) 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 differ by 1 letter(s) in length. Our composite confusion score for this pair is 60091, derived from the frequency rank of both members and their visual similarity.
FOSS is recorded at frequency rank #33,655, classified as anoun, pronounced /fɒs/. 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 60091, this pair ranks #102,251 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of FOSS vs fuses
Shared letters: fs. Private to "FOSS": o. Private to "fuses": eu.
"FOSS" · 4 letters · shape CVCC · "fuses" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "FOSS" and "fuses" be used interchangeably?
Frequency check: "FOSS" vs "fuses" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "FOSS" 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 #102,251 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "FOSS" and "fuses" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs FOSS". 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 #102,251 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.