Which to use
“proportion” is a noun and “proportional” is an adjective - they look or sound alike but fill different roles in a sentence.
- #6,002
- “proportion” frequency rank
- #13,045
- “proportional” frequency rank
- 19047
- confusion score
Side-by-Side Comparison
| Feature | proportion | proportional |
|---|---|---|
| Definition | A quantity of something that is part of the whole amount or number. | At a constant ratio (to). Two magnitudes (numbers) are said to be proportional if the second varies in a direct relation arithmetically to the first. Symbol: ∝. |
Where the spellings diverge
Shared letters are muted; the letters that actually set proportion and proportional apart are highlighted. They share 10 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: proportion is anoun and proportionalanadjective. On the page they differ by 2 extra letter(s) - “proportion” sits inside “proportional”. Our composite confusion score for this pair is 19047, derived from the frequency rank of both members and their visual similarity.
proportion is recorded at frequency rank #6,002, classified as anoun, pronounced /pɹəˈpɔɹʃən/. proportional is at rank #13,045, tagged as anadj.
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 19047, this pair ranks #440,846 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of proportion vs proportional
Shared letters: inoprt. Private to "proportion": -. Private to "proportional": al.
"proportion" · 10 letters · shape CCVCVCCVVC · "proportional" · 12 letters · shape CCVCVCCVVCVC
Known mistypes of this pair
- proportion ← porportion · pproportion · prooprtion · proporiton · proporrtion · proporsion · proportino · proportionn
- proportional ← porportional · pproportional · prooprtional · proporitonal · proporrtional · proportinoal · proportioanl · proportionall
Frequency comparison
Frequently Asked Questions
Can "proportion" and "proportional" be used interchangeably?
Which is more common, "proportion" or "proportional"?
Remembering proportion vs proportional
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “proportion”; for an adjective, it's “proportional”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “proportion” entry
- Browse more pairs most likely to be confused. Most confusable