sickervssignerTell them apart

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

Which to use

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

#37,221
“sicker” frequency rank
#43,369
“signer” frequency rank
80590
confusion score

Side-by-Side Comparison

Feature sicker signer
Definition comparative form of sick: more sick. One who signs (in any sense of that verb).

Letter map: sicker vs signer

Shared letters muted; letters that set sicker and signer apart highlighted. Shared run: 4. sicker and signer follow the identical consonant-vowel pattern (CVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
sicker
6 ch
signer

Part-of-speech tell for sicker / signer

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sicker is anadjective and signeranoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 80590, derived from the frequency rank of both members and their visual similarity.

sicker is recorded at frequency rank #37,221, classified as anadj, pronounced /ˈsɪkɚ/. signer is at rank #43,369, tagged as anoun.

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 80590, this pair ranks #19,485 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sicker vs signer

Shared letters: eirs. Private to "sicker": ck. Private to "signer": gn.

"sicker" · 6 letters · shape CVCCVC  ·  "signer" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • sicker ← iscker · sciker · siccker · sicekr · sickerr · sickker · sickre · sikcer
  • signer ← isgner · sginer · sigenr · siggner · signerr · signner · signre · ssigner

Frequently Asked Questions

Is swapping "sicker" for "signer" ever safe?
No - they are not even the same part of speech. "sicker" is an adjective and "signer" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "sicker" or "signer" show up more?
"sicker" is the more common of the two: it sits at frequency rank #37,221 in our English list, against #43,369 for "signer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "sicker" vs "signer" is on the table, pick a follow-up below.

  • Full dictionary entry for "sicker" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "signer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #19,485 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sicker" and "signer" also get mixed up with nearby pairs, the highest-scored neighbour is "signer vs sinker". 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 #19,485 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