silkvssookWhich spelling fits?

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

Which to use

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

#6,011
“silk” frequency rank
#46,187
“sook” frequency rank
52198
confusion score

Side-by-Side Comparison

Feature silk sook
Definition A fine fiber excreted by the silkworm or other arthropod (such as a spider). Alternative spelling of suck.

Letter map: silk vs sook

Shared letters muted; letters that set silk and sook apart highlighted. Shared run: 2. silk (CVCC) and sook (CVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
silk
4 ch
sook

Role in the sentence - silk and sook

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: silk is anoun and sookaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 52198, derived from the frequency rank of both members and their visual similarity.

silk is recorded at frequency rank #6,011, classified as anoun, pronounced /sɪlk/. 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 52198, this pair ranks #159,048 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of silk vs sook

Shared letters: ks. Private to "silk": il. Private to "sook": o.

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

Known mistypes of this pair

  • silk ← islk · sikl · silkk · sillk · slik · ssilk
  • sook ← osok · sok · soko · sookk · ssook

Frequently Asked Questions

Can "silk" and "sook" be used interchangeably?
No - they are not even the same part of speech. "silk" is a noun and "sook" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "silk" or "sook" show up more?
"silk" is the more common of the two: it sits at frequency rank #6,011 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.

Useful next steps

You've compared "silk" and "sook". Here's where to go from here.

  • Full dictionary entry for "silk" 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 #159,048 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "silk" 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 #159,048 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