parsevsposseTell them apart

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

Which to use

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

#29,782
“parse” frequency rank
#23,072
“posse” frequency rank
52854
confusion score

Side-by-Side Comparison

Feature parse posse
Definition To resolve (a sentence, etc.) into its elements, pointing out the several parts of speech, and their relation to each other by agreement or government; to analyze and describe grammatically. A group or company of people, originally especially one having hostile intent; a throng, a crowd.

Where the eye mixes parse and posse

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. parse and posse follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
parse
5 ch
posse

Visual trap between parse and posse

These two trip readers on the page rather than in the ear: parse is /pɑːz/ while posse is /ˈpɒs.i/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 52854, derived from the frequency rank of both members and their visual similarity.

parse is recorded at frequency rank #29,782, classified as averb, pronounced /pɑːz/. posse is at rank #23,072, tagged as anoun, pronounced /ˈpɒs.i/.

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 52854, this pair ranks #153,677 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of parse vs posse

Shared letters: eps. Private to "parse": ar. Private to "posse": o.

"parse" · 5 letters · shape CVCCV  ·  "posse" · 5 letters · shape CVCCV

Known mistypes of this pair

  • parse ← aprse · pares · parrse · parsse · pasre · pparse · prase
  • posse ← opsse · poses · pposse · psose

Frequently Asked Questions

Do "parse" and "posse" mean the same thing in a sentence?
No - they are not even the same part of speech. "parse" is a verb and "posse" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "parse" or "posse"?
"posse" is the more common of the two: it sits at frequency rank #23,072 in our English list, against #29,782 for "parse". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "parse" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "posse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #153,677 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "parse" and "posse" also get mixed up with nearby pairs, the highest-scored neighbour is "Palme vs parse". 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 #153,677 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