# superposition vs supposition

> English confusable word pair

## The two words

### superposition
*noun · IPA /ˌs(j)uː.pə(ɹ).pəˈzɪʃ.ən/ · frequency rank #47,943*
The placing of one thing on top of another.

### supposition
*noun · IPA /ˌsʌpəˈzɪʃən/ · frequency rank #45,685*
Something that is supposed; an assumption made to account for known facts, conjecture.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/superposition-vs-supposition