blauvsBlogConfusable pair

Quick tell: blau is a adjective, Blog is a noun, so they fill different roles in a sentence.

Which to use

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

#1,871
“blau” frequency rank
#2,641
“Blog” frequency rank
4512
confusion score

Side-by-Side Comparison

Feature blau Blog
Definition eine bunte Farbe, im Spektrum eine relativ kurzwellige Farbe zwischen grün und violett; Grundfarbe vieler Farbmodelle, insbesondere eine der drei Grundfarben des digitalen RGB-Farbraums öffentliches Tagebuch im Internet

Where the eye mixes blau and Blog

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

4 ch
blau
4 ch
Blog

Why the eye confuses blau with Blog

These two trip readers on the page rather than in the ear: blau is [blaʊ̯] while Blog is [blɔk]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 4512, derived from the frequency rank of both members and their visual similarity.

blau is recorded at frequency rank #1,871, classified as anadj, pronounced [blaʊ̯]. Blog is at rank #2,641, tagged as anoun, pronounced [blɔk].

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 4512, this pair ranks #1,997,506 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of blau vs Blog

Shared letters: bl. Private to "blau": au. Private to "Blog": go.

"blau" · 4 letters · shape CCVV  ·  "Blog" · 4 letters · shape CCVC

Known mistypes of this pair

  • blaubalu · bblau · bllau · blua · lbau
  • Blogbblog · blgo · bllog · blogg · bolg · lbog

Frequently Asked Questions

Is swapping "blau" for "Blog" ever safe?
No - they are not even the same part of speech. "blau" is an adjective and "Blog" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "blau" or "Blog" show up more?
"blau" is the more common of the two: it sits at frequency rank #1,871 in our German list, against #2,641 for "Blog". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "blau" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Blog" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,997,506 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "blau" and "Blog" also get mixed up with nearby pairs, the highest-scored neighbour is "Blog vs boos". 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 #1,997,506 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