multiplevsmultiplexTell them apart

Quick tell: multiple is a determiner, multiplex is an adjective, so they fill different roles in a sentence.

Which to use

“multiple” is a determiner and “multiplex” is an adjective - they look or sound alike but fill different roles in a sentence.

#1,277
“multiple” frequency rank
#38,064
“multiplex” frequency rank
39341
confusion score

Side-by-Side Comparison

Feature multiple multiplex
Definition More than one (followed by plural). Comprising several interleaved parts.

Letter map: multiple vs multiplex

Shared letters muted; letters that set multiple and multiplex apart highlighted. Shared run: 8.

8 ch
multiple
9 ch
multiplex

Role in the sentence - multiple and multiplex

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: multiple is adeterminer and multiplexanadjective. On the page they differ by 1 extra letter(s) - “multiple” sits inside “multiplex”. Our composite confusion score for this pair is 39341, derived from the frequency rank of both members and their visual similarity.

multiple is recorded at frequency rank #1,277, classified as adet, pronounced /ˈmʌltɪpəl/. multiplex is at rank #38,064, tagged as anadj.

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 39341, this pair ranks #277,602 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of multiple vs multiplex

Shared letters: eilmptu. Private to "multiple": -. Private to "multiplex": x.

"multiple" · 8 letters · shape CVCCVCCV  ·  "multiplex" · 9 letters · shape CVCCVCCVC

Known mistypes of this pair

  • multiplemlutiple · mmultiple · mulitple · mulltiple · multilpe · multipel · multiplle · multipple
  • multiplexmlutiplex · mmultiplex · mulitplex · mulltiplex · multilpex · multipelx · multiplexx · multipllex

Frequently Asked Questions

Is swapping "multiple" for "multiplex" ever safe?
No - they are not even the same part of speech. "multiple" is a determiner and "multiplex" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "multiple" or "multiplex"?
"multiple" is the more common of the two: it sits at frequency rank #1,277 in our English list, against #38,064 for "multiplex". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "multiple" vs "multiplex" is on the table, pick a follow-up below.

  • Full dictionary entry for "multiple" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "multiplex" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #277,602 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "multiple" and "multiplex" also get mixed up with nearby pairs, the highest-scored neighbour is "multiplex vs multiplier". 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 #277,602 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