prepositionvspropositionTell them apart

Which to use

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

#46,113
“preposition” frequency rank
#8,974
“proposition” frequency rank
55087
confusion score

Side-by-Side Comparison

Feature preposition proposition
Definition Any of a class of non-inflecting words and multiword terms typically employed to connect a following noun or a pronoun, in an adjectival or adverbial sense, with some other word: a particle used with a noun or pronoun (in English always in the objective case) to make a phrase limiting some other word. The act of offering (an idea) for consideration.

Where the eye mixes preposition and proposition

Muted = shared; highlighted = the visual trap. They share 10 letters in sequence.

11 ch
preposition
11 ch
proposition

Look-alike desk: preposition vs proposition

A purely visual mix-up. preposition (/ˌpɹɛpəˈzɪʃən/) and proposition (/ˌpɹɑpəˈzɪʃən/) 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 a single letter - e in “preposition” becomes o in “proposition”. Our composite confusion score for this pair is 55087, derived from the frequency rank of both members and their visual similarity.

preposition is recorded at frequency rank #46,113, classified as anoun, pronounced /ˌpɹɛpəˈzɪʃən/. proposition is at rank #8,974, tagged as anoun, pronounced /ˌpɹɑpəˈzɪʃən/.

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 55087, this pair ranks #136,259 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of preposition vs proposition

Shared letters: inoprst. Private to "preposition": e. Private to "proposition": -.

"preposition" · 11 letters · shape CCVCVCVCVVC  ·  "proposition" · 11 letters · shape CCVCVCVCVVC

Known mistypes of this pair

  • prepositionperposition · ppreposition · preopsition · prepoistion · preposiiton · preposision · prepositino · prepositionn
  • propositionporposition · pproposition · proopsition · propoistion · proposiiton · proposision · propositino · propositionn

Frequently Asked Questions

Can "preposition" and "proposition" be used interchangeably?
No. They are said differently (/ˌpɹɛpəˈzɪʃən/ versus /ˌpɹɑpəˈzɪʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "preposition" vs "proposition" - which ranks higher?
"proposition" is the more common of the two: it sits at frequency rank #8,974 in our English list, against #46,113 for "preposition". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "preposition" and "proposition" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "preposition" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "proposition" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #136,259 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "preposition" and "proposition" also get mixed up with nearby pairs, the highest-scored neighbour is "premonition vs preposition". 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 #136,259 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