grauvsgrubTell them apart

Quick tell: grau is a adjective, grub is a verb, so they fill different roles in a sentence.

Which to use

“grau” is an adjective and “grub” is a verb - they look or sound alike but fill different roles in a sentence.

#4,519
“grau” frequency rank
#27,333
“grub” frequency rank
31852
confusion score

Side-by-Side Comparison

Feature grau grub
Definition in einer Farbe, die eine Mischung aus schwarz und weiß ist, gehalten 1. Person Singular Indikativ Präteritum Aktiv des Verbs graben

Where the eye mixes grau and grub

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

4 ch
grau
4 ch
grub

Why the eye confuses grau with grub

These two trip readers on the page rather than in the ear: grau is [ɡʁaʊ̯] while grub is [ɡʁuːp]. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 31852, derived from the frequency rank of both members and their visual similarity.

grau is recorded at frequency rank #4,519, classified as anadj, pronounced [ɡʁaʊ̯]. grub is at rank #27,333, tagged as averb, pronounced [ɡʁuːp].

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 31852, this pair ranks #1,719,725 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of grau vs grub

Shared letters: gru. Private to "grau": a. Private to "grub": b.

"grau" · 4 letters · shape CCVV  ·  "grub" · 4 letters · shape CCVC

Known mistypes of this pair

  • graugaru · ggrau · grrau · grua · rgau
  • grubggrub · grbu · grrub · grubb · gurb · rgub

Frequently Asked Questions

Can "grau" and "grub" be used interchangeably?
No - they are not even the same part of speech. "grau" is an adjective and "grub" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "grau" or "grub" show up more?
"grau" is the more common of the two: it sits at frequency rank #4,519 in our German list, against #27,333 for "grub". 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 "grau" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "grub" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,719,725 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "grau" and "grub" also get mixed up with nearby pairs, the highest-scored neighbour is "graut vs grub". 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 #1,719,725 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