possevspossessWhat's the difference?

Quick tell: posse is a noun, possess is a verb, so they fill different roles in a sentence.

Which to use

“posse” is a noun and “possess” is a verb - they look or sound alike but fill different roles in a sentence.

#23,072
“posse” frequency rank
#6,949
“possess” frequency rank
30021
confusion score

Side-by-Side Comparison

Feature posse possess
Definition A group or company of people, originally especially one having hostile intent; a throng, a crowd. To have (something) as, or as if as, an owner; to have, to own.

Where the spellings diverge

Shared letters are muted; the letters that actually set posse and possess apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.

5 ch
posse
7 ch
possess

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: posse is /ˈpɒs.i/ while possess is /pəˈzɛs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “posse” sits inside “possess”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 30021, derived from the frequency rank of both members and their visual similarity.

posse is recorded at frequency rank #23,072, classified as anoun, pronounced /ˈpɒs.i/. possess is at rank #6,949, tagged as averb, pronounced /pəˈzɛs/.

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 30021, this pair ranks #358,025 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of posse vs possess

Shared letters: eops. Private to "posse": -. Private to "possess": -.

"posse" · 5 letters · shape CVCCV  ·  "possess" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • posseopsse · poses · pposse · psose
  • possessopssess · posess · posesss · posses · possses · ppossess · psosess

Frequency comparison

posse#23,072
possess#6,949

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "posse" and "possess" be used interchangeably?
No - they are not even the same part of speech. "posse" is a noun and "possess" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "posse" or "possess"?
"possess" is the more common of the two: it sits at frequency rank #6,949 in our English list, against #23,072 for "posse". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering posse vs possess

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “posse”; for a verb, it's “possess”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “posse” 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