superpositionvssuppositionWhat's the difference?

Which to use

“superposition” and “supposition” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#47,943
“superposition” frequency rank
#45,685
“supposition” frequency rank
93628
confusion score

Side-by-Side Comparison

Feature superposition supposition
Definition The placing of one thing on top of another. Something that is supposed; an assumption made to account for known facts, conjecture.

Where the spellings diverge

Shared letters are muted; the letters that actually set superposition and supposition apart are highlighted. They share 11 letters in sequence, which is exactly why the eye skips the difference.

13 ch
superposition
11 ch
supposition

Spelling & Dictionary Insight

A purely visual mix-up. superposition (/ˌs(j)uː.pə(ɹ).pəˈzɪʃ.ən/) and supposition (/ˌsʌpəˈzɪʃən/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 93628, derived from the frequency rank of both members and their visual similarity.

superposition is recorded at frequency rank #47,943, classified as anoun, pronounced /ˌs(j)uː.pə(ɹ).pəˈzɪʃ.ən/. supposition is at rank #45,685, tagged as anoun, pronounced /ˌsʌpəˈzɪʃən/.

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 93628, this pair ranks #1,794 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of superposition vs supposition

Shared letters: inopstu. Private to "superposition": er. Private to "supposition": -.

"superposition" · 13 letters · shape CVCVCCVCVCVVC  ·  "supposition" · 11 letters · shape CVCCVCVCVVC

Known mistypes of this pair

  • superpositionspuerposition · ssuperposition · sueprposition · supeprosition · superopsition · superpoistion · superposiiton · superposision
  • suppositionspuposition · ssupposition · supopsition · suposition · suppoistion · supposiiton · supposision · suppositino

Frequency comparison

superposition#47,943
supposition#45,685

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "superposition" and "supposition" be used interchangeably?
No. They are said differently (/ˌs(j)uː.pə(ɹ).pəˈzɪʃ.ən/ versus /ˌsʌpəˈzɪʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "superposition" or "supposition"?
"supposition" is the more common of the two: it sits at frequency rank #45,685 in our English list, against #47,943 for "superposition". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering superposition vs supposition

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “superposition” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list