Which to use
“fifths” is a noun and “fifty” is a num - they look or sound alike but fill different roles in a sentence.
- #27,150
- “fifths” frequency rank
- #4,376
- “fifty” frequency rank
- 31526
- confusion score
Side-by-Side Comparison
| Feature | fifths | fifty |
|---|---|---|
| Definition | plural of fifth | The cardinal number occurring after forty-nine and before fifty-one. |
Where the eye mixes fifths and fifty
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. fifths runs 6 letters (CVCCCC) against fifty's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between fifths and fifty
These two trip readers on the page rather than in the ear: fifths is /fɪfθs/ while fifty is /ˈfɪfti/. 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 num), which is usually the fastest check. Our composite confusion score for this pair is 31526, derived from the frequency rank of both members and their visual similarity.
fifths is recorded at frequency rank #27,150, classified as anoun, pronounced /fɪfθs/. fifty is at rank #4,376, tagged as anum, pronounced /ˈfɪfti/.
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 31526, this pair ranks #345,364 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fifths vs fifty
Shared letters: fit. Private to "fifths": hs. Private to "fifty": y.
"fifths" · 6 letters · shape CVCCCC · "fifty" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "fifths" and "fifty" mean the same thing in a sentence?
Frequency check: "fifths" vs "fifty" - which ranks higher?
After this comparison
Eye-level mix-up between "fifths" and "fifty" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "fifths" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fifty" - compare definitions side by side with the headword page. Word entry
- This pair ranks #345,364 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fifths" and "fifty" also get mixed up with nearby pairs, the highest-scored neighbour is "fifths vs firth". 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 #345,364 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.