procvsprowlConfusable pair

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

Which to use

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

#22,182
“proc” frequency rank
#39,495
“prowl” frequency rank
61677
confusion score

Side-by-Side Comparison

Feature proc prowl
Definition Abbreviation of procedure. To rove over, through, or about in a stealthy manner; especially, to search in, as for prey or booty.

Where the eye mixes proc and prowl

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
proc
5 ch
prowl

Visual trap between proc and prowl

These two trip readers on the page rather than in the ear: proc is /pɹɒk/ while prowl is /pɹaʊl/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 61677, derived from the frequency rank of both members and their visual similarity.

proc is recorded at frequency rank #22,182, classified as anoun, pronounced /pɹɒk/. prowl is at rank #39,495, tagged as averb, pronounced /pɹaʊl/.

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 61677, this pair ranks #92,839 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of proc vs prowl

Shared letters: opr. Private to "proc": c. Private to "prowl": lw.

"proc" · 4 letters · shape CCVC  ·  "prowl" · 5 letters · shape CCVCC

Known mistypes of this pair

  • procporc · pproc · prco · procc · prroc · rpoc
  • prowlporwl · pprowl · prolw · prowll · prowwl · prrowl · prwol · rpowl

Frequently Asked Questions

Is swapping "proc" for "prowl" ever safe?
No - they are not even the same part of speech. "proc" is a noun and "prowl" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "proc" or "prowl" show up more?
"proc" is the more common of the two: it sits at frequency rank #22,182 in our English list, against #39,495 for "prowl". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "proc" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prowl" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #92,839 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "proc" and "prowl" also get mixed up with nearby pairs, the highest-scored neighbour is "Prot vs prowl". 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 #92,839 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