Which to use
“multiplex” is an adjective and “multiply” is a verb - they look or sound alike but fill different roles in a sentence.
- #38,064
- “multiplex” frequency rank
- #15,006
- “multiply” frequency rank
- 53070
- confusion score
Side-by-Side Comparison
| Feature | multiplex | multiply |
|---|---|---|
| Definition | Comprising several interleaved parts. | To increase the amount, degree or number of (something). |
Letter map: multiplex vs multiply
Shared letters muted; letters that set multiplex and multiply apart highlighted. Shared run: 7.
Grammar separator: multiplex vs multiply
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: multiplex is anadjective and multiplyaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 53070, derived from the frequency rank of both members and their visual similarity.
multiplex is recorded at frequency rank #38,064, classified as anadj. multiply is at rank #15,006, tagged as averb, pronounced /ˈmʌltɪplaɪ/.
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 53070, this pair ranks #151,917 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of multiplex vs multiply
Shared letters: ilmptu. Private to "multiplex": ex. Private to "multiply": y.
"multiplex" · 9 letters · shape CVCCVCCVC · "multiply" · 8 letters · shape CVCCVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "multiplex" and "multiply" be used interchangeably?
In ordinary English text, does "multiplex" or "multiply" show up more?
What to do next
Pair "multiplex" vs "multiply" is on the table, pick a follow-up below.
- Full dictionary entry for "multiplex" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "multiply" - compare definitions side by side with the headword page. Word entry
- This pair ranks #151,917 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "multiplex" and "multiply" 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 #151,917 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.