brainedvsbrainsWhich spelling fits?

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

Which to use

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

#42,558
“brained” frequency rank
#6,337
“brains” frequency rank
48895
confusion score

Side-by-Side Comparison

Feature brained brains
Definition Having a particular kind or number of brain. plural of brain

Where the eye mixes brained and brains

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

7 ch
brained
6 ch
brains

Look-alike desk: brained vs brains

These two trip readers on the page rather than in the ear: brained is /bɹeɪnd/ while brains is /bɹeɪnz/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 48895, derived from the frequency rank of both members and their visual similarity.

brained is recorded at frequency rank #42,558, classified as anadj, pronounced /bɹeɪnd/. brains is at rank #6,337, tagged as anoun, pronounced /bɹeɪnz/.

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 48895, this pair ranks #188,752 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of brained vs brains

Shared letters: abinr. Private to "brained": de. Private to "brains": s.

"brained" · 7 letters · shape CCVVCVC  ·  "brains" · 6 letters · shape CCVVCC

Known mistypes of this pair

  • brainedbarined · bbrained · braiend · brainde · brainedd · brainned · branied · brianed
  • brainsbarins · bbrains · brainns · brainss · braisn · branis · brians · brrains

Frequently Asked Questions

Is swapping "brained" for "brains" ever safe?
No - they are not even the same part of speech. "brained" is an adjective and "brains" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "brained" or "brains"?
"brains" is the more common of the two: it sits at frequency rank #6,337 in our English list, against #42,558 for "brained". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "brained" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "brains" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #188,752 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "brained" and "brains" also get mixed up with nearby pairs, the highest-scored neighbour is "brained vs brainy". 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 #188,752 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