multiplexer

noun

"multiplexer" is a 11-letter English headword indexed on PlainSpell.

The verdict

“multiplexer” is uncommon English (frequency #86,541 among 4,057 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#86,541
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A device that interleaves several activities; a switching device.

Corpus desk

Index EN-multiplexer · multiplexer · English

multiplexer · rank #86,541 · 0 variants · 0 confusables

  • FREQ-RARE #86,541
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH Mulgrave

Nearest frequency peer: Mulgrave (-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 “multiplexer”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for multiplexer
PropertyValue
Headwordmultiplexer
LanguageEnglish
Part of speechNoun
Letters11
Frequency rank#86,541
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “multiplexer” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).multiplexerfalls 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: “Mulgrave” (#86,540), “Muji” (#86,539), “muscarinic” (#86,543). Among 4,057 “M” headwords, “multiplexer” is #86,541. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

multiplexer is uncommon English at frequency #86,541 among 4,057 “M” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for multiplexer in our index, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From multiplex + -er. The correct English form is multiplexer, spelled M-U-L-T-I-P-L-E-X-E-R.

Definition

  1. 1
    A device that interleaves several activities; a switching device.
  2. 2
    A device that combines several input signals into a single output signal.

Etymology

From multiplex + -er.

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 "multiplexer"?
"multiplexer" is spelled M-U-L-T-I-P-L-E-X-E-R.
What does "multiplexer" mean?
As a noun, "multiplexer" means: A device that interleaves several activities; a switching device.
What is the origin of the word "multiplexer"?
From multiplex + -er. 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 "multiplexer", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list