ICD vs ice, What's the Difference?

Which to use

“ICD” and “ice” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#34,926
“ICD” frequency rank: #1,081
“ice” frequency rank: 36007
confusion score

Side-by-Side Comparison

Feature	ICD	ice
Definition	Initialism of implantable cardioverter-defibrillator.	Water in frozen (solid) form.

Letter map: ICD vs ice

Shared letters muted; letters that set ICD and ice apart highlighted. Shared run: 2. ICD (VCC) and ice (VCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch

ICD

3 ch

ice

Corpus notes: ICD and ice

ICD and ice are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - d in “ICD” becomes e in “ice”. Our composite confusion score for this pair is 36007, derived from the frequency rank of both members and their visual similarity.

ICD is recorded at frequency rank #34,926, classified as anoun. ice is at rank #1,081, tagged as anoun, pronounced /aɪs/.

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 36007, this pair ranks #307,014 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ICD vs ice

Shared letters: ci. Private to "ICD": d. Private to "ice": e.

"ICD" · 3 letters · shape VCC · "ice" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "ICD" for "ice" ever safe?

No. They differ by a single letter - d in “ICD” becomes e in “ice”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Frequency check: "ICD" vs "ice" - which ranks higher?

"ice" is the more common of the two: it sits at frequency rank #1,081 in our English list, against #34,926 for "ICD". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "ICD" and "ice".

Full dictionary entry for "ICD" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ice" - compare definitions side by side with the headword page. Word entry
This pair ranks #307,014 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"ICD" and "ice" also get mixed up with nearby pairs, the highest-scored neighbour is "ICD vs ith". Nearby pair

Confusion rank #307,014 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.