brillvsbuildTell them apart

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

Which to use

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

#26,704
“brill” frequency rank
#963
“build” frequency rank
27667
confusion score

Side-by-Side Comparison

Feature brill build
Definition A type of flatfish, Scophthalmus rhombus. To form (something) by combining materials or parts.

Where the eye mixes brill and build

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

5 ch
brill
5 ch
build

Visual trap between brill and build

These two trip readers on the page rather than in the ear: brill is /bɹɪl/ while build is /bɪld/. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 27667, derived from the frequency rank of both members and their visual similarity.

brill is recorded at frequency rank #26,704, classified as anoun, pronounced /bɹɪl/. build is at rank #963, tagged as averb, pronounced /bɪld/.

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 27667, this pair ranks #377,118 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of brill vs build

Shared letters: bil. Private to "brill": r. Private to "build": du.

"brill" · 5 letters · shape CCVCC  ·  "build" · 5 letters · shape CVVCC

Known mistypes of this pair

  • brillbbrill · birll · bril · brlil · brrill · rbill
  • buildbbuild · biuld · buidl · buildd · builld · bulid · ubild

Frequently Asked Questions

Is swapping "brill" for "build" ever safe?
No - they are not even the same part of speech. "brill" is a noun and "build" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "brill" vs "build" - which ranks higher?
"build" is the more common of the two: it sits at frequency rank #963 in our English list, against #26,704 for "brill". 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 "brill" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "build" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #377,118 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "brill" and "build" also get mixed up with nearby pairs, the highest-scored neighbour is "BRICS vs brill". 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 #377,118 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list