parsonvspoisonWhat's the difference?

Which to use

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

#36,272
“parson” frequency rank
#6,282
“poison” frequency rank
42554
confusion score

Side-by-Side Comparison

Feature parson poison
Definition An Anglican cleric having full legal control of a parish under ecclesiastical law. A substance that is harmful or lethal to a living organism when ingested.

Where the eye mixes parson and poison

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
parson
6 ch
poison

Why the eye confuses parson with poison

A purely visual mix-up. parson (/ˈpɑːs(ə)n/) and poison (/ˈpɔɪ.zən/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 42554, derived from the frequency rank of both members and their visual similarity.

parson is recorded at frequency rank #36,272, classified as anoun, pronounced /ˈpɑːs(ə)n/. poison is at rank #6,282, tagged as anoun, pronounced /ˈpɔɪ.zən/.

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 42554, this pair ranks #248,126 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of parson vs poison

Shared letters: nops. Private to "parson": ar. Private to "poison": i.

"parson" · 6 letters · shape CVCCVC  ·  "poison" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • parsonaprson · parosn · parrson · parsno · parsonn · parsson · pasron · pparson
  • poisonopison · pioson · poiosn · poisno · poisonn · posion · ppoison

Frequently Asked Questions

Do "parson" and "poison" mean the same thing in a sentence?
No. They are said differently (/ˈpɑːs(ə)n/ versus /ˈpɔɪ.zən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "parson" vs "poison" - which ranks higher?
"poison" is the more common of the two: it sits at frequency rank #6,282 in our English list, against #36,272 for "parson". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "parson" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "poison" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #248,126 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "parson" and "poison" also get mixed up with nearby pairs, the highest-scored neighbour is "parser vs parson". 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 #248,126 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