parrvspasTell them apart

Which to use

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

#28,661
“parr” frequency rank
#13,210
“pas” frequency rank
41871
confusion score

Side-by-Side Comparison

Feature parr pas
Definition Young salmon, at a stage between fry and smolt when they feed chiefly on invertebrates but cannot tolerate saltwater. The right of going foremost; precedence.

Where the eye mixes parr and pas

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
parr
3 ch
pas

Why the eye confuses parr with pas

A purely visual mix-up. parr (/pɑː(ɹ)/) and pas (/pɑː/) 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 1 letter(s) in length. Our composite confusion score for this pair is 41871, derived from the frequency rank of both members and their visual similarity.

parr is recorded at frequency rank #28,661, classified as anoun, pronounced /pɑː(ɹ)/. pas is at rank #13,210, tagged as anoun, pronounced /pɑː/.

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 41871, this pair ranks #254,378 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of parr vs pas

Shared letters: ap. Private to "parr": r. Private to "pas": s.

"parr" · 4 letters · shape CVCC  ·  "pas" · 3 letters · shape CVC

Known mistypes of this pair

  • parraprr · pparr · prar

Frequently Asked Questions

Can "parr" and "pas" be used interchangeably?
No. They are said differently (/pɑː(ɹ)/ versus /pɑː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "parr" vs "pas" - which ranks higher?
"pas" is the more common of the two: it sits at frequency rank #13,210 in our English list, against #28,661 for "parr". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "parr" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #254,378 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "parr" and "pas" also get mixed up with nearby pairs, the highest-scored neighbour is "parr vs pert". 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 #254,378 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