Which to use
“ration” is a noun and “rational” is an adjective - they look or sound alike but fill different roles in a sentence.
- #23,374
- “ration” frequency rank
- #6,511
- “rational” frequency rank
- 29885
- confusion score
Side-by-Side Comparison
| Feature | ration | rational |
|---|---|---|
| Definition | A portion of some limited resource, especially food, allocated to a person or group. | Capable of reasoning. |
Where the eye mixes ration and rational
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Look-alike desk: ration vs rational
These two trip readers on the page rather than in the ear: ration is /ˈɹæʃən/ while rational is /ˈɹæʃ(ə)nəl/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “ration” sits inside “rational”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 29885, derived from the frequency rank of both members and their visual similarity.
ration is recorded at frequency rank #23,374, classified as anoun, pronounced /ˈɹæʃən/. rational is at rank #6,511, tagged as anadj, pronounced /ˈɹæʃ(ə)nəl/.
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 29885, this pair ranks #359,214 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ration vs rational
Shared letters: ainort. Private to "ration": -. Private to "rational": l.
"ration" · 6 letters · shape CVCVVC · "rational" · 8 letters · shape CVCVVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "ration" and "rational" mean the same thing in a sentence?
Which is more common, "ration" or "rational"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ration" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rational" - compare definitions side by side with the headword page. Word entry
- This pair ranks #359,214 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ration" and "rational" also get mixed up with nearby pairs, the highest-scored neighbour is "ration vs rattan". 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 #359,214 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.