rationvsrotationTell them apart

Which to use

“ration” and “rotation” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#23,374
“ration” frequency rank
#6,293
“rotation” frequency rank
29667
confusion score

Side-by-Side Comparison

Feature ration rotation
Definition A portion of some limited resource, especially food, allocated to a person or group. The act of turning around a centre or an axis.

Where the eye mixes ration and rotation

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
ration
8 ch
rotation

Look-alike desk: ration vs rotation

A purely visual mix-up. ration (/ˈɹæʃən/) and rotation (/ɹoʊˈteɪʃən/) 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 2 letter(s) in length. Our composite confusion score for this pair is 29667, 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/. rotation is at rank #6,293, tagged as anoun, pronounced /ɹoʊˈteɪʃən/.

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 29667, this pair ranks #361,060 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ration vs rotation

Shared letters: ainort. Private to "ration": -. Private to "rotation": -.

"ration" · 6 letters · shape CVCVVC  ·  "rotation" · 8 letters · shape CVCVCVVC

Known mistypes of this pair

  • rationartion · raiton · rasion · ratino · rationn · ratoin · rattion · rration
  • rotationortation · roattion · rotaiton · rotasion · rotatino · rotationn · rotatoin · rotattion

Frequently Asked Questions

Can "ration" and "rotation" be used interchangeably?
No. They are said differently (/ˈɹæʃən/ versus /ɹoʊˈteɪʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ration" vs "rotation" - which ranks higher?
"rotation" is the more common of the two: it sits at frequency rank #6,293 in our English list, against #23,374 for "ration". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "ration" and "rotation" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "ration" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rotation" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #361,060 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ration" and "rotation" 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 #361,060 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list