sighvssikTell them apart

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

Which to use

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

#7,742
“sigh” frequency rank
#40,893
“sik” frequency rank
48635
confusion score

Side-by-Side Comparison

Feature sigh sik
Definition To inhale a larger quantity of air than usual, and immediately expel it; to make a deep single audible respiration, especially as the result or involuntary expression of fatigue, exhaustion, grief, sorrow, frustration, or the like. Alternative form of sick (“cool, excellent”).

Letter map: sigh vs sik

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

4 ch
sigh
3 ch
sik

Grammar separator: sigh vs sik

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sigh is averb and sikanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 48635, derived from the frequency rank of both members and their visual similarity.

sigh is recorded at frequency rank #7,742, classified as averb, pronounced /saɪ/. 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 48635, this pair ranks #191,173 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sigh vs sik

Shared letters: is. Private to "sigh": gh. Private to "sik": k.

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

Known mistypes of this pair

  • sighisgh · sgih · siggh · sighh · sihg · ssigh

Frequently Asked Questions

Is swapping "sigh" for "sik" ever safe?
No - they are not even the same part of speech. "sigh" is a verb and "sik" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sigh" vs "sik" - which ranks higher?
"sigh" is the more common of the two: it sits at frequency rank #7,742 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

You've compared "sigh" and "sik". Here's where to go from here.

  • Full dictionary entry for "sigh" 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 #191,173 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sigh" 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 #191,173 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