Which to use
“ability” and “acidity” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,156
- “ability” frequency rank
- #22,274
- “acidity” frequency rank
- 23430
- confusion score
Side-by-Side Comparison
| Feature | ability | acidity |
|---|---|---|
| Definition | Suitableness. | The quality or state of being acid. |
Where the eye mixes ability and acidity
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Look-alike desk: ability vs acidity
A purely visual mix-up. ability (/əˈbɪl.ə.ti/) and acidity (/əˈsɪd.ᵻ.ti/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 23430, derived from the frequency rank of both members and their visual similarity.
ability is recorded at frequency rank #1,156, classified as anoun, pronounced /əˈbɪl.ə.ti/. acidity is at rank #22,274, tagged as anoun, pronounced /əˈsɪd.ᵻ.ti/.
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 23430, this pair ranks #409,332 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ability vs acidity
Shared letters: aity. Private to "ability": bl. Private to "acidity": cd.
"ability" · 7 letters · shape VCVCVCV · "acidity" · 7 letters · shape VCVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "ability" and "acidity" mean the same thing in a sentence?
Frequency check: "ability" vs "acidity" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ability" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "acidity" - compare definitions side by side with the headword page. Word entry
- This pair ranks #409,332 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ability" and "acidity" also get mixed up with nearby pairs, the highest-scored neighbour is "acidity vs acuity". 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 #409,332 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.