bouldervsBruderWhat's the difference?

Which to use

“boulder” and “Bruder” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#47,283
“boulder” frequency rank
#825
“Bruder” frequency rank
48108
confusion score

Side-by-Side Comparison

Feature boulder Bruder
Definition einzelner Felsbrocken/Felsblock, theoretisch beweglich, mehr oder weniger rund männliches Geschwisterteil

Where the eye mixes boulder and Bruder

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
boulder
6 ch
Bruder

Look-alike desk: boulder vs Bruder

A purely visual mix-up. boulder ([ˈbəʊldəʳ]) and Bruder ([ˈbʁuːdɐ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 48108, derived from the frequency rank of both members and their visual similarity.

boulder is recorded at frequency rank #47,283, classified as anoun, pronounced [ˈbəʊldəʳ]. Bruder is at rank #825, tagged as anoun, pronounced [ˈbʁuːdɐ].

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 48108, this pair ranks #1,260,543 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of boulder vs Bruder

Shared letters: bderu. Private to "boulder": lo. Private to "Bruder": -.

"boulder" · 7 letters · shape CVVCCVC  ·  "Bruder" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • boulderbboulder · boluder · boudler · bouldder · boulderr · bouldre · bouledr · boullder
  • Bruderbbruder · brduer · brruder · brudder · bruderr · brudre · bruedr · burder

Frequently Asked Questions

Do "boulder" and "Bruder" mean the same thing in a sentence?
No. They are said differently ([ˈbəʊldəʳ] versus [ˈbʁuːdɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "boulder" vs "Bruder" - which ranks higher?
"Bruder" is the more common of the two: it sits at frequency rank #825 in our German list, against #47,283 for "boulder". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "boulder" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Bruder" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,260,543 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "boulder" and "Bruder" also get mixed up with nearby pairs, the highest-scored neighbour is "boiler vs boulder". 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 #1,260,543 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