ICDvsIRWhich spelling fits?

Which to use

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

#36,988
“ICD” frequency rank
#14,329
“IR” frequency rank
51317
confusion score

Side-by-Side Comparison

Feature ICD IR
Definition von der WHO herausgegebene „Internationale statistische Klassifikation der Krankheiten und verwandter Gesundheitsprobleme“ infrarot, Infrarot

Letter map: ICD vs IR

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

3 ch
ICD
2 ch
IR

Corpus notes: ICD and IR

ICD and IR are indexed as a confusable German 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 1 letter(s) in length. Our composite confusion score for this pair is 51317, 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]. IR is at rank #14,329, tagged as anabbrev.

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 51317, this pair ranks #1,140,101 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ICD vs IR

Shared letters: i. Private to "ICD": cd. Private to "IR": r.

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

Frequently Asked Questions

Do "ICD" and "IR" mean the same thing in a sentence?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "ICD" vs "IR" - which ranks higher?
"IR" is the more common of the two: it sits at frequency rank #14,329 in our German list, against #36,988 for "ICD". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "ICD" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "IR" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,140,101 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ICD" and "IR" also get mixed up with nearby pairs, the highest-scored neighbour is "ICD vs IMs". Nearby pair

Confusion rank #1,140,101 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list