crackvscrazyWhich spelling fits?

Quick tell: crack is a noun, crazy is an adjective, so they fill different roles in a sentence.

Which to use

“crack” is a noun and “crazy” is an adjective - they look or sound alike but fill different roles in a sentence.

#9,792
“crack” frequency rank
#21,621
“crazy” frequency rank
31413
confusion score

Side-by-Side Comparison

Feature crack crazy
Definition Persona, especialmente deportista, que alcanza fama y notoriedad en su carrera. Loco.

Where the eye mixes crack and crazy

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
crack
5 ch
crazy

Look-alike desk: crack vs crazy

These two trip readers on the page rather than in the ear: crack is [ˈkɾak] while crazy is /ˈkɹeɪ.zi/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 31413, derived from the frequency rank of both members and their visual similarity.

crack is recorded at frequency rank #9,792, classified as anoun, pronounced [ˈkɾak]. crazy is at rank #21,621, tagged as anadj, pronounced /ˈkɹeɪ.zi/.

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 31413, this pair ranks #207,196 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of crack vs crazy

Shared letters: acr. Private to "crack": k. Private to "crazy": yz.

"crack" · 5 letters · shape CCVCC  ·  "crazy" · 5 letters · shape CCVCV

Known mistypes of this pair

  • crackcarck · ccrack · cracck · crackk · crakc · crcak · crrack · rcack
  • crazycarzy · ccrazy · crayz · crazyy · crazzy · crrazy · crzay · rcazy

Frequently Asked Questions

Do "crack" and "crazy" mean the same thing in a sentence?
No - they are not even the same part of speech. "crack" is a noun and "crazy" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "crack" or "crazy"?
"crack" is the more common of the two: it sits at frequency rank #9,792 in our Spanish list, against #21,621 for "crazy". 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 "crack" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "crazy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #207,196 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "crack" and "crazy" also get mixed up with nearby pairs, the highest-scored neighbour is "CRA vs crazy". 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 #207,196 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list