ICD vs is, What's the Difference?

Which to use

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

#36,988
“ICD” frequency rank: #478
“is” frequency rank: 37466
confusion score

Side-by-Side Comparison

Feature	ICD	is
Definition	von der WHO herausgegebene „Internationale statistische Klassifikation der Krankheiten und verwandter Gesundheitsprobleme“	[1] umgangssprachlich, dialektal, norddeutsch: 3. Person Singular Indikativ Präsens des Verbs sein

Where the eye mixes ICD and is

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

ICD

2 ch

Why the eye confuses ICD with is

These two trip readers on the page rather than in the ear: ICD is [iːtseːˈdeː] while is is [ɪs]. 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 (abbrev vs verb), which is usually the fastest check. Our composite confusion score for this pair is 37466, 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]. is is at rank #478, tagged as averb, pronounced [ɪs].

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 37466, this pair ranks #1,589,491 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ICD vs is

Shared letters: i. Private to "ICD": cd. Private to "is": s.

"ICD" · 3 letters · shape VCC · "is" · 2 letters · shape VC

Frequently Asked Questions

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

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

Which is more common, "ICD" or "is"?

"is" is the more common of the two: it sits at frequency rank #478 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.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

Full dictionary entry for "ICD" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "is" - compare definitions side by side with the headword page. Word entry
This pair ranks #1,589,491 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"ICD" and "is" also get mixed up with nearby pairs, the highest-scored neighbour is "ICD vs IMs". Nearby pair

Confusion rank #1,589,491 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.