shimvssikTell them apart

Quick tell: shim is a noun, sik is an adjective, so they fill different roles in a sentence.

Which to use

“shim” is a noun and “sik” is an adjective - they look or sound alike but fill different roles in a sentence.

#40,020
“shim” frequency rank
#40,893
“sik” frequency rank
80913
confusion score

Side-by-Side Comparison

Feature shim sik
Definition A wedge. Alternative form of sick (“cool, excellent”).

Letter map: shim vs sik

Shared letters muted; letters that set shim and sik apart highlighted. Shared run: 2. shim runs 4 letters (CCVC) against sik's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
shim
3 ch
sik

Part-of-speech tell for shim / sik

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: shim is anoun and sikanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 80913, derived from the frequency rank of both members and their visual similarity.

shim is recorded at frequency rank #40,020, classified as anoun, pronounced /ʃɪm/. sik is at rank #40,893, tagged as anadj.

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 80913, this pair ranks #18,803 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of shim vs sik

Shared letters: is. Private to "shim": hm. Private to "sik": k.

"shim" · 4 letters · shape CCVC  ·  "sik" · 3 letters · shape CVC

Known mistypes of this pair

  • shim ← hsim · shhim · shimm · shmi · sihm · sshim

Frequently Asked Questions

Can "shim" and "sik" be used interchangeably?
No - they are not even the same part of speech. "shim" is a noun and "sik" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "shim" vs "sik" - which ranks higher?
"shim" is the more common of the two: it sits at frequency rank #40,020 in our English list, against #40,893 for "sik". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "shim" and "sik".

  • Full dictionary entry for "shim" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sik" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #18,803 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "shim" and "sik" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs sik". 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 #18,803 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