chaservschasmWhich spelling fits?

Which to use

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

#24,403
“chaser” frequency rank
#30,360
“chasm” frequency rank
54763
confusion score

Side-by-Side Comparison

Feature chaser chasm
Definition Something or someone who chases. A deep, steep-sided rift, gap or fissure; a gorge or abyss.

Where the eye mixes chaser and chasm

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

6 ch
chaser
5 ch
chasm

Why the eye confuses chaser with chasm

A purely visual mix-up. chaser (/ˈt͡ʃeɪsə/) and chasm (/ˈkæzəm/) 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 54763, derived from the frequency rank of both members and their visual similarity.

chaser is recorded at frequency rank #24,403, classified as anoun, pronounced /ˈt͡ʃeɪsə/. chasm is at rank #30,360, tagged as anoun, pronounced /ˈkæzəm/.

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 54763, this pair ranks #138,638 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chaser vs chasm

Shared letters: achs. Private to "chaser": er. Private to "chasm": m.

"chaser" · 6 letters · shape CCVCVC  ·  "chasm" · 5 letters · shape CCVCC

Known mistypes of this pair

  • chasercahser · cchaser · chaesr · chaserr · chasre · chasser · chhaser · chsaer
  • chasmcahsm · cchasm · chams · chasmm · chassm · chhasm · chsam · hcasm

Frequently Asked Questions

Do "chaser" and "chasm" mean the same thing in a sentence?
No. They are said differently (/ˈt͡ʃeɪsə/ versus /ˈkæzəm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "chaser" vs "chasm" - which ranks higher?
"chaser" is the more common of the two: it sits at frequency rank #24,403 in our English list, against #30,360 for "chasm". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "chaser" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "chasm" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #138,638 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "chaser" and "chasm" also get mixed up with nearby pairs, the highest-scored neighbour is "Chaim vs chasm". 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 #138,638 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