Which to use
“right” is an adjective and “rigor” is a noun - they look or sound alike but fill different roles in a sentence.
- #115
- “right” frequency rank
- #26,577
- “rigor” frequency rank
- 26692
- confusion score
Side-by-Side Comparison
| Feature | right | rigor |
|---|---|---|
| Definition | Designating the side of the body which is positioned to the east if one is facing north, the side on which the heart is not located in most humans. This arrow points to the reader's right: → | US spelling of rigour. |
Where the eye mixes right and rigor
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: right vs rigor
These two trip readers on the page rather than in the ear: right is /ˈɹaɪt/ while rigor is /ˈɹɪɡɚ/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 26692, derived from the frequency rank of both members and their visual similarity.
right is recorded at frequency rank #115, classified as anadj, pronounced /ˈɹaɪt/. rigor is at rank #26,577, tagged as anoun, pronounced /ˈɹɪɡɚ/.
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 26692, this pair ranks #384,784 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of right vs rigor
Shared letters: gir. Private to "right": ht. Private to "rigor": o.
"right" · 5 letters · shape CVCCC · "rigor" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "right" for "rigor" ever safe?
Which is more common, "right" or "rigor"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "right" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rigor" - compare definitions side by side with the headword page. Word entry
- This pair ranks #384,784 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "right" and "rigor" also get mixed up with nearby pairs, the highest-scored neighbour is "rigor vs ripon". 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 #384,784 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.