blasvsBlumTell them apart

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

Which to use

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

#36,276
“blas” frequency rank
#23,120
“Blum” frequency rank
59396
confusion score

Side-by-Side Comparison

Feature blas Blum
Definition Deuxième personne du singulier de l’impératif présent de blasen. Nom de famille.

Letter map: blas vs Blum

Shared letters muted; letters that set blas and Blum apart highlighted. Shared run: 2. blas and Blum follow the identical consonant-vowel pattern (CCVC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
blas
4 ch
Blum

Grammar separator: blas vs Blum

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: blas is averb and Blumaname. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 59396, 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\. Blum is at rank #23,120, tagged as aname.

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 59396, this pair ranks #103,387 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of blas vs Blum

Shared letters: bl. Private to "blas": as. Private to "Blum": mu.

"blas" · 4 letters · shape CCVC  ·  "Blum" · 4 letters · shape CCVC

Known mistypes of this pair

  • blas ← bblas · blass · bllas · blsa
  • Blum ← bblum · bllum · blmu · blumm · bulm · lbum

Frequently Asked Questions

Can "blas" and "Blum" be used interchangeably?
No - they are not even the same part of speech. "blas" is a verb and "Blum" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "blas" or "Blum" show up more?
"Blum" is the more common of the two: it sits at frequency rank #23,120 in our French list, against #36,276 for "blas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "blas" and "Blum". Here's where to go from here.

  • Full dictionary entry for "blas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Blum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #103,387 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "blas" and "Blum" also get mixed up with nearby pairs, the highest-scored neighbour is "bela vs blas". 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 #103,387 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