brainpower

/ˈbɹeɪnˌpaʊə/

//ˈbɹeɪnˌpaʊə// noun

By · According to Wiktionary data (CC BY-SA) ·

"brainpower" is a 10-letter English headword indexed on PlainSpell.

The verdict

“brainpower” is uncommon English (frequency #62,732 among 31,241 “B” headwords), classed as a noun. The kind of spelling people second-guess.

#62,732
frequency rank, English
31,241
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Mental ability; intelligence.

Key facts for brainpower
PropertyValue
Headwordbrainpower
LanguageEnglish
Part of speechNoun
IPA/ˈbɹeɪnˌpaʊə/
Letters10
Frequency rank#62,732
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “brainpower” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). brainpower lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

brainpower is uncommon English at frequency #62,732 among 31,241 “B” headwords, classed as anoun, transcribed /ˈbɹeɪnˌpaʊə/. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for brainpower, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From brain + power. The correct English form is brainpower, spelled B-R-A-I-N-P-O-W-E-R.

Definition

  1. 1
    Mental ability; intelligence.
  2. 2
    Intelligent people considered or regarded as a group.

Etymology

From brain + power.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "brainpower"?
"brainpower" is spelled B-R-A-I-N-P-O-W-E-R. The IPA pronunciation is /ˈbɹeɪnˌpaʊə/.
What does "brainpower" mean?
As a noun, "brainpower" means: Mental ability; intelligence.
How do you pronounce "brainpower"?
The IPA (International Phonetic Alphabet) transcription for "brainpower" is /ˈbɹeɪnˌpaʊə/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "brainpower"?
From brain + power. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “brainpower”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is B-R-A-I-N-P-O-W-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈbɹeɪnˌpaʊə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list