Which to use
“chases” and “classes” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #21,745
- “chases” frequency rank
- #1,749
- “classes” frequency rank
- 23494
- confusion score
Side-by-Side Comparison
| Feature | chases | classes |
|---|---|---|
| Definition | plural of chase | plural of class |
Where the eye mixes chases and classes
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between chases and classes
A purely visual mix-up. chases (/ˈt͡ʃeɪsɪz/) and classes (/ˈklɑːsɪz/) 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 1 letter(s) in length. Our composite confusion score for this pair is 23494, derived from the frequency rank of both members and their visual similarity.
chases is recorded at frequency rank #21,745, classified as anoun, pronounced /ˈt͡ʃeɪsɪz/. classes is at rank #1,749, tagged as anoun, pronounced /ˈklɑːsɪz/.
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 23494, this pair ranks #408,854 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of chases vs classes
Shared letters: aces. Private to "chases": h. Private to "classes": l.
"chases" · 6 letters · shape CCVCVC · "classes" · 7 letters · shape CCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "chases" for "classes" ever safe?
Which is more common, "chases" or "classes"?
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 "chases" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "classes" - compare definitions side by side with the headword page. Word entry
- This pair ranks #408,854 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "chases" and "classes" also get mixed up with nearby pairs, the highest-scored neighbour is "cates vs chases". 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 #408,854 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.