blasvsblastTell them apart

Quick tell: blas is a verb, blast is a noun, so they fill different roles in a sentence.

Which to use

“blas” is a verb and “blast” is a noun - they look or sound alike but fill different roles in a sentence.

#36,276
“blas” frequency rank
#44,899
“blast” frequency rank
81175
confusion score

Side-by-Side Comparison

Feature blas blast
Definition Deuxième personne du singulier de l’impératif présent de blasen. Synonyme de « effet de souffle ».

Where the eye mixes blas and blast

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

4 ch
blas
5 ch
blast

Look-alike desk: blas vs blast

These two trip readers on the page rather than in the ear: blas is \blaːs\ while blast is \blast\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “blas” sits inside “blast”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 81175, derived from the frequency rank of both members and their visual similarity.

blas is recorded at frequency rank #36,276, classified as averb, pronounced \blaːs\. blast is at rank #44,899, tagged as anoun, pronounced \blast\.

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 81175, this pair ranks #19,323 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of blas vs blast

Shared letters: abls. Private to "blas": -. Private to "blast": t.

"blas" · 4 letters · shape CCVC  ·  "blast" · 5 letters · shape CCVCC

Known mistypes of this pair

  • blasbblas · blass · bllas · blsa
  • blastbalst · bblast · blasst · blastt · blats · bllast · blsat · lbast

Frequently Asked Questions

Do "blas" and "blast" mean the same thing in a sentence?
No - they are not even the same part of speech. "blas" is a verb and "blast" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "blas" or "blast"?
"blas" is the more common of the two: it sits at frequency rank #36,276 in our French list, against #44,899 for "blast". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "blas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "blast" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #19,323 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "blas" and "blast" also get mixed up with nearby pairs, the highest-scored neighbour is "blast vs blaster". 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 #19,323 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list