sockvssookWhat's the difference?

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

Which to use

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

#12,864
“sock” frequency rank
#46,187
“sook” frequency rank
59051
confusion score

Side-by-Side Comparison

Feature sock sook
Definition A knitted or woven covering for the foot. Alternative spelling of suck.

Letter map: sock vs sook

Shared letters muted; letters that set sock and sook apart highlighted. Shared run: 3. sock (CVCC) and sook (CVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
sock
4 ch
sook

Grammar separator: sock vs sook

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sock is anoun and sookaverb. On the page they differ by a single letter - c in “sock” becomes o in “sook”. Our composite confusion score for this pair is 59051, derived from the frequency rank of both members and their visual similarity.

sock is recorded at frequency rank #12,864, classified as anoun, pronounced /sɒk/. sook is at rank #46,187, tagged as averb.

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 59051, this pair ranks #108,618 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sock vs sook

Shared letters: kos. Private to "sock": c. Private to "sook": -.

"sock" · 4 letters · shape CVCC  ·  "sook" · 4 letters · shape CVVC

Known mistypes of this pair

  • sock ← osck · scok · socck · sockk · sokc · ssock
  • sook ← osok · sok · soko · sookk · ssook

Frequently Asked Questions

Is swapping "sock" for "sook" ever safe?
No - they are not even the same part of speech. "sock" is a noun and "sook" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sock" vs "sook" - which ranks higher?
"sock" is the more common of the two: it sits at frequency rank #12,864 in our English list, against #46,187 for "sook". 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 "sock" and "sook".

  • Full dictionary entry for "sock" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sook" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #108,618 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sock" and "sook" also get mixed up with nearby pairs, the highest-scored neighbour is "soca vs sook". 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 #108,618 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