ICDvsickyConfusable pair

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

Which to use

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

#34,926
“ICD” frequency rank
#38,895
“icky” frequency rank
73821
confusion score

Side-by-Side Comparison

Feature ICD icky
Definition Initialism of implantable cardioverter-defibrillator. Unpleasantly sticky; yucky; disgusting.

Letter map: ICD vs icky

Shared letters muted; letters that set ICD and icky apart highlighted. Shared run: 2.

3 ch
ICD
4 ch
icky

Part-of-speech tell for ICD / icky

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ICD is anoun and ickyanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 73821, derived from the frequency rank of both members and their visual similarity.

ICD is recorded at frequency rank #34,926, classified as anoun. icky is at rank #38,895, tagged as anadj, pronounced /ˈɪki/.

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 73821, this pair ranks #38,297 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of ICD vs icky

Shared letters: ci. Private to "ICD": d. Private to "icky": ky.

"ICD" · 3 letters · shape VCC  ·  "icky" · 4 letters · shape VCCV

Known mistypes of this pair

  • ickyciky · iccky · ickky · ickyy · icyk · ikcy

Frequently Asked Questions

Can "ICD" and "icky" be used interchangeably?
No - they are not even the same part of speech. "ICD" is a noun and "icky" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "ICD" or "icky" show up more?
"ICD" is the more common of the two: it sits at frequency rank #34,926 in our English list, against #38,895 for "icky". 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 "ICD" and "icky". Here's where to go from here.

  • Full dictionary entry for "ICD" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "icky" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #38,297 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ICD" and "icky" also get mixed up with nearby pairs, the highest-scored neighbour is "ICJ vs icky". 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 #38,297 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