blasvsBlutWhich spelling fits?

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

Which to use

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

#32,964
“blas” frequency rank
#1,586
“Blut” frequency rank
34550
confusion score

Side-by-Side Comparison

Feature blas Blut
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs blasen dem Stoffwechsel dienende, im Körper zirkulierende rote Flüssigkeit

Where the eye mixes blas and Blut

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
blas
4 ch
Blut

Why the eye confuses blas with Blut

These two trip readers on the page rather than in the ear: blas is [blaːs] while Blut is [bluːt]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 34550, derived from the frequency rank of both members and their visual similarity.

blas is recorded at frequency rank #32,964, classified as averb, pronounced [blaːs]. Blut is at rank #1,586, tagged as anoun, pronounced [bluːt].

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 34550, this pair ranks #1,660,737 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of blas vs Blut

Shared letters: bl. Private to "blas": as. Private to "Blut": tu.

"blas" · 4 letters · shape CCVC  ·  "Blut" · 4 letters · shape CCVC

Known mistypes of this pair

  • blasbblas · bllas · blsa · lbas
  • Blutbblut · bllut · bltu · blutt · bult · lbut

Frequently Asked Questions

Is swapping "blas" for "Blut" ever safe?
No - they are not even the same part of speech. "blas" is a verb and "Blut" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "blas" or "Blut"?
"Blut" is the more common of the two: it sits at frequency rank #1,586 in our German list, against #32,964 for "blas". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "blas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Blut" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,660,737 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "blas" and "Blut" also get mixed up with nearby pairs, the highest-scored neighbour is "Bims 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 #1,660,737 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list