sikvssiltWhich spelling fits?

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

Which to use

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

#40,893
“sik” frequency rank
#30,585
“silt” frequency rank
71478
confusion score

Side-by-Side Comparison

Feature sik silt
Definition Alternative form of sick (“cool, excellent”). Mud or fine earth deposited from running or standing water.

Letter map: sik vs silt

Shared letters muted; letters that set sik and silt apart highlighted. Shared run: 2.

3 ch
sik
4 ch
silt

Part-of-speech tell for sik / silt

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sik is anadjective and siltanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 71478, derived from the frequency rank of both members and their visual similarity.

sik is recorded at frequency rank #40,893, classified as anadj. silt is at rank #30,585, tagged as anoun, pronounced /sɪlt/.

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 71478, this pair ranks #46,541 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sik vs silt

Shared letters: is. Private to "sik": k. Private to "silt": lt.

"sik" · 3 letters · shape CVC  ·  "silt" · 4 letters · shape CVCC

Known mistypes of this pair

  • siltislt · sillt · siltt · sitl · ssilt

Frequently Asked Questions

Is swapping "sik" for "silt" ever safe?
No - they are not even the same part of speech. "sik" is an adjective and "silt" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "sik" or "silt" show up more?
"silt" is the more common of the two: it sits at frequency rank #30,585 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.

What to do next

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

  • Full dictionary entry for "sik" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "silt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #46,541 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sik" and "silt" 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 #46,541 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