scourvsscouredTell them apart

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

Which to use

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

#30,216
“scour” frequency rank
#35,066
“scoured” frequency rank
65282
confusion score

Side-by-Side Comparison

Feature scour scoured
Definition To clean, polish, or wash (something) by rubbing and scrubbing it vigorously, frequently with an abrasive or cleaning agent. Wool that has undergone scouring to remove grease.

Letter map: scour vs scoured

Shared letters muted; letters that set scour and scoured apart highlighted. Shared run: 5. scour runs 5 letters (CCVVC) against scoured's 7 (CCVVCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
scour
7 ch
scoured

Grammar separator: scour vs scoured

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: scour is averb and scouredanoun. On the page they differ by 2 extra letter(s) - “scour” sits inside “scoured”. Our composite confusion score for this pair is 65282, derived from the frequency rank of both members and their visual similarity.

scour is recorded at frequency rank #30,216, classified as averb, pronounced /ˈskaʊə/. scoured is at rank #35,066, tagged as anoun.

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 65282, this pair ranks #73,533 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of scour vs scoured

Shared letters: corsu. Private to "scour": -. Private to "scoured": de.

"scour" · 5 letters · shape CCVVC  ·  "scoured" · 7 letters · shape CCVVCVC

Known mistypes of this pair

  • scour ← csour · sccour · scoru · scourr · scuor · socur · sscour
  • scoured ← csoured · sccoured · scorued · scouerd · scourde · scouredd · scourred · scuored

Frequently Asked Questions

Do "scour" and "scoured" mean the same thing in a sentence?
No - they are not even the same part of speech. "scour" is a verb and "scoured" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "scour" or "scoured" show up more?
"scour" is the more common of the two: it sits at frequency rank #30,216 in our English list, against #35,066 for "scoured". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "scour" vs "scoured" is on the table, pick a follow-up below.

  • Full dictionary entry for "scour" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "scoured" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #73,533 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "scour" and "scoured" also get mixed up with nearby pairs, the highest-scored neighbour is "SCO vs scour". 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 #73,533 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