subwoofer

/ˈsʌbˌwʊf.ə/

//ˈsʌbˌwʊf.ə// noun

"subwoofer" is a 9-letter English headword indexed on PlainSpell.

The verdict

“subwoofer” is uncommon English (frequency #53,888 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.

#53,888
frequency rank, English
6,566
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A loudspeaker designed to produce low-frequency sound, especially subbass.

Corpus desk

Index EN-subwoofer · subwoofer · English

subwoofer · rank #53,888 · 0 variants · 0 confusables

  • FREQ-RARE #53,888
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH sulla

Nearest frequency peer: sulla (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “subwoofer”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “subwoofer” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for subwoofer
PropertyValue
Headwordsubwoofer
LanguageEnglish
Part of speechNoun
IPA/ˈsʌbˌwʊf.ə/
Letters9
Frequency rank#53,888
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “subwoofer” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).subwooferfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “sulla” (#53,889), “submachine” (#53,886), “subjection” (#53,885). Among 6,566 “S” headwords, “subwoofer” is #53,888. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

subwoofer is uncommon English at frequency #53,888 among 6,566 “S” headwords, classed as anoun, transcribed /ˈsʌbˌwʊf.ə/. Rarity is why readers land here mid-draft. Gloss: "A loudspeaker designed to produce low-frequency sound, especially subbass.".

subwoofer has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From sub- + woofer. The correct English form is subwoofer, spelled S-U-B-W-O-O-F-E-R.

Definition

  1. 1
    A loudspeaker designed to produce low-frequency sound, especially subbass.

Recorded use

Wiktionary examples

These source excerpts show how subwoofer appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Hip-hop took the language and made it graffiti—it was music video on a wall with a beatbox blowing its subwoofers next to it.
  2. Even economy vehicles offer multispeaker audio upgrades, including a subwoofer.

Etymology

From sub- + woofer.

This word in other languages

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 "subwoofer"?
"subwoofer" is spelled S-U-B-W-O-O-F-E-R. The IPA pronunciation is /ˈsʌbˌwʊf.ə/.
What does "subwoofer" mean?
As a noun, "subwoofer" means: A loudspeaker designed to produce low-frequency sound, especially subbass.
How do you pronounce "subwoofer"?
The IPA (International Phonetic Alphabet) transcription for "subwoofer" is /ˈsʌbˌwʊf.ə/. 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 "subwoofer"?
From sub- + woofer. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "subwoofer", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list