sickvssieTell them apart

Quick tell: sick is a adjective, sie is a verb, so they fill different roles in a sentence.

Which to use

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

#1,410
“sick” frequency rank
#26,962
“sie” frequency rank
28372
confusion score

Side-by-Side Comparison

Feature sick sie
Definition In poor health; ill. To sink; fall; drop.

Where the eye mixes sick and sie

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
sick
3 ch
sie

Visual trap between sick and sie

These two trip readers on the page rather than in the ear: sick is /ˈsɪk/ while sie is /saɪ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 28372, derived from the frequency rank of both members and their visual similarity.

sick is recorded at frequency rank #1,410, classified as anadj, pronounced /ˈsɪk/. sie is at rank #26,962, tagged as averb, pronounced /saɪ/.

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 28372, this pair ranks #371,586 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sick vs sie

Shared letters: is. Private to "sick": ck. Private to "sie": e.

"sick" · 4 letters · shape CVCC  ·  "sie" · 3 letters · shape CVV

Known mistypes of this pair

  • sickisck · scik · sicck · sickk · sikc · ssick

Frequently Asked Questions

Do "sick" and "sie" mean the same thing in a sentence?
No - they are not even the same part of speech. "sick" is an adjective and "sie" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sick" vs "sie" - which ranks higher?
"sick" is the more common of the two: it sits at frequency rank #1,410 in our English list, against #26,962 for "sie". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "sick" and "sie" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sick" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sie" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #371,586 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sick" and "sie" also get mixed up with nearby pairs, the highest-scored neighbour is "sie vs Sif". 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 #371,586 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