ICD vs ii, What's the Difference?

Which to use

“ICD” is an abbrev and “ii” is an unknown - they look or sound alike but fill different roles in a sentence.

#36,988
“ICD” frequency rank: #520
“ii” frequency rank: 37508
confusion score

Side-by-Side Comparison

Feature	ICD	ii
Definition	von der WHO herausgegebene „Internationale statistische Klassifikation der Krankheiten und verwandter Gesundheitsprobleme“	Nominativ Plural Maskulinum des Pronomens is

Letter map: ICD vs ii

Shared letters muted; letters that set ICD and ii apart highlighted. Shared run: 1.

3 ch

ICD

2 ch

Grammar separator: ICD vs ii

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ICD is anabbrev and iianunknown. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 37508, derived from the frequency rank of both members and their visual similarity.

ICD is recorded at frequency rank #36,988, classified as anabbrev, pronounced [iːtseːˈdeː]. ii is at rank #520, tagged as anunknown, pronounced […].

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 37508, this pair ranks #1,588,365 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ICD vs ii

Shared letters: i. Private to "ICD": cd. Private to "ii": -.

"ICD" · 3 letters · shape VCC · "ii" · 2 letters · shape VV

Frequently Asked Questions

Do "ICD" and "ii" mean the same thing in a sentence?

No - they are not even the same part of speech. "ICD" is an abbrev and "ii" an unknown, so a sentence built for one is usually ungrammatical with the other.

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

"ii" is the more common of the two: it sits at frequency rank #520 in our German list, against #36,988 for "ICD". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "ICD" and "ii". Here's where to go from here.

Full dictionary entry for "ICD" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ii" - compare definitions side by side with the headword page. Word entry
This pair ranks #1,588,365 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"ICD" and "ii" also get mixed up with nearby pairs, the highest-scored neighbour is "ICD vs IMs". Nearby pair

Confusion rank #1,588,365 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.