scourvssorWhat's the difference?

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

Which to use

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

#30,216
“scour” frequency rank
#37,700
“sor” frequency rank
67916
confusion score

Side-by-Side Comparison

Feature scour sor
Definition To clean, polish, or wash (something) by rubbing and scrubbing it vigorously, frequently with an abrasive or cleaning agent. A sorority (student organization).

Letter map: scour vs sor

Shared letters muted; letters that set scour and sor apart highlighted. Shared run: 3. scour runs 5 letters (CCVVC) against sor's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
scour
3 ch
sor

Part-of-speech tell for scour / sor

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: scour is averb and soranoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 67916, 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/. sor is at rank #37,700, 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 67916, this pair ranks #61,226 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of scour vs sor

Shared letters: ors. Private to "scour": cu. Private to "sor": -.

"scour" · 5 letters · shape CCVVC  ·  "sor" · 3 letters · shape CVC

Known mistypes of this pair

  • scour ← csour · sccour · scoru · scourr · scuor · socur · sscour

Frequently Asked Questions

Is swapping "scour" for "sor" ever safe?
No - they are not even the same part of speech. "scour" is a verb and "sor" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "scour" vs "sor" - which ranks higher?
"scour" is the more common of the two: it sits at frequency rank #30,216 in our English list, against #37,700 for "sor". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "scour" and "sor".

  • Full dictionary entry for "scour" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sor" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #61,226 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "scour" and "sor" also get mixed up with nearby pairs, the highest-scored neighbour is "sor vs sura". 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 #61,226 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