CaseyvschaseConfusable pair

Quick tell: Casey is a name, chase is a noun, so they fill different roles in a sentence.

Which to use

“Casey” is a name and “chase” is a noun - they look or sound alike but fill different roles in a sentence.

#7,534
“Casey” frequency rank
#3,354
“chase” frequency rank
10888
confusion score

Side-by-Side Comparison

Feature Casey chase
Definition A surname from Irish. The act of one who chases another; a pursuit.

Where the eye mixes Casey and chase

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
Casey
5 ch
chase

Visual trap between Casey and chase

These two trip readers on the page rather than in the ear: Casey is /ˈkeɪsi/ while chase is /t͡ʃeɪs/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 4 positions, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 10888, derived from the frequency rank of both members and their visual similarity.

Casey is recorded at frequency rank #7,534, classified as aname, pronounced /ˈkeɪsi/. chase is at rank #3,354, tagged as anoun, pronounced /t͡ʃeɪs/.

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 10888, this pair ranks #489,989 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Casey vs chase

Shared letters: aces. Private to "Casey": y. Private to "chase": h.

"Casey" · 5 letters · shape CVCVV  ·  "chase" · 5 letters · shape CCVCV

Known mistypes of this pair

  • Caseyacsey · caesy · caseyy · cassey · casye · ccasey · csaey
  • chasecahse · cchase · chaes · chasse · chhase · chsae · hcase

Frequently Asked Questions

Can "Casey" and "chase" be used interchangeably?
No - they are not even the same part of speech. "Casey" is a name and "chase" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Casey" or "chase"?
"chase" is the more common of the two: it sits at frequency rank #3,354 in our English list, against #7,534 for "Casey". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Casey" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "chase" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #489,989 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Casey" and "chase" also get mixed up with nearby pairs, the highest-scored neighbour is "Casey vs catty". 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 #489,989 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