Which to use
“ruby” and “rut” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #7,386
- “ruby” frequency rank
- #25,194
- “rut” frequency rank
- 32580
- confusion score
Side-by-Side Comparison
| Feature | ruby | rut |
|---|---|---|
| Definition | A clear, deep, red variety of corundum, valued as a precious stone. | Sexual desire in any of many mammals, often specific to mating season. |
Where the eye mixes ruby and rut
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between ruby and rut
A purely visual mix-up. ruby (/ˈɹuː.bi/) and rut (/ɹʌt/) 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 32580, derived from the frequency rank of both members and their visual similarity.
ruby is recorded at frequency rank #7,386, classified as anoun, pronounced /ˈɹuː.bi/. rut is at rank #25,194, tagged as anoun, pronounced /ɹʌt/.
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 32580, this pair ranks #336,587 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ruby vs rut
Shared letters: ru. Private to "ruby": by. Private to "rut": t.
"ruby" · 4 letters · shape CVCV · "rut" · 3 letters · shape CVC
Known mistypes of this pair
- ruby ← rbuy · rruby · rubby · rubyy · ruyb · urby
Frequently Asked Questions
Is swapping "ruby" for "rut" ever safe?
Frequency check: "ruby" vs "rut" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ruby" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rut" - compare definitions side by side with the headword page. Word entry
- This pair ranks #336,587 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ruby" and "rut" also get mixed up with nearby pairs, the highest-scored neighbour is "Rua vs rut". 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 #336,587 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.