Which to use
“macOS” is a name and “manus” is a noun - they look or sound alike but fill different roles in a sentence.
- #28,283
- “macOS” frequency rank
- #33,726
- “manus” frequency rank
- 62009
- confusion score
Side-by-Side Comparison
| Feature | macOS | manus |
|---|---|---|
| Definition | A major operating system, formerly known as OS X (and before that as Mac OS X), used on laptop and desktop computers by Apple Inc. | A hand, as the part of the fore limb below the forearm in a human, or the corresponding part in other vertebrates. |
Where the eye mixes macOS and manus
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. macOS and manus follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses macOS with manus
These two trip readers on the page rather than in the ear: macOS is /ˌmækoʊˈɛs/ while manus is /ˈmeɪnəs/. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 62009, derived from the frequency rank of both members and their visual similarity.
macOS is recorded at frequency rank #28,283, classified as aname, pronounced /ˌmækoʊˈɛs/. manus is at rank #33,726, tagged as anoun, pronounced /ˈmeɪnəs/.
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 62009, this pair ranks #90,900 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of macOS vs manus
Shared letters: ams. Private to "macOS": co. Private to "manus": nu.
"macOS" · 5 letters · shape CVCVC · "manus" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "macOS" for "manus" ever safe?
In ordinary English text, does "macOS" or "manus" show up more?
After this comparison
Eye-level mix-up between "macOS" and "manus" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "macOS" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "manus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #90,900 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "macOS" and "manus" also get mixed up with nearby pairs, the highest-scored neighbour is "magus vs manus". 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 #90,900 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.