BlockvsbrookConfusable pair

Quick tell: Block is a name, brook is a noun, so they fill different roles in a sentence.

Which to use

“Block” is a name and “brook” is a noun - they look or sound alike but fill different roles in a sentence.

#15,314
“Block” frequency rank
#35,407
“brook” frequency rank
50721
confusion score

Side-by-Side Comparison

Feature Block brook
Definition Nom de famille allemand. Ruisselet.

Where the eye mixes Block and brook

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

5 ch
Block
5 ch
brook

Look-alike desk: Block vs brook

These two trip readers on the page rather than in the ear: Block is \blɔk\ while brook is \bɹʊk\. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 50721, derived from the frequency rank of both members and their visual similarity.

Block is recorded at frequency rank #15,314, classified as aname, pronounced \blɔk\. brook is at rank #35,407, tagged as anoun, pronounced \bɹʊk\.

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 50721, this pair ranks #160,473 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Block vs brook

Shared letters: bko. Private to "Block": cl. Private to "brook": r.

"Block" · 5 letters · shape CCVCC  ·  "brook" · 5 letters · shape CCVVC

Known mistypes of this pair

  • Blockbblock · blcok · bllock · blocck · blockk · blokc · bolck · lbock
  • brookbbrook · borok · brok · broko · brookk · brrook · rbook

Frequently Asked Questions

Can "Block" and "brook" be used interchangeably?
No - they are not even the same part of speech. "Block" is a name and "brook" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "Block" or "brook" show up more?
"Block" is the more common of the two: it sits at frequency rank #15,314 in our French list, against #35,407 for "brook". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "Block" and "brook" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Block" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "brook" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #160,473 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Block" and "brook" also get mixed up with nearby pairs, the highest-scored neighbour is "broad vs brook". 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 #160,473 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