ICDvsICQTell them apart

Which to use

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

#36,988
“ICD” frequency rank
#48,240
“ICQ” frequency rank
85228
confusion score

Side-by-Side Comparison

Feature ICD ICQ
Definition von der WHO herausgegebene „Internationale statistische Klassifikation der Krankheiten und verwandter Gesundheitsprobleme“ ein Instant-Messenger-Dienst

Where the eye mixes ICD and ICQ

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ICD and ICQ follow the identical consonant-vowel pattern (VCC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
ICD
3 ch
ICQ

Look-alike desk: ICD vs ICQ

A purely visual mix-up. ICD ([iːtseːˈdeː]) and ICQ ([ˌaɪsiːˈkɪ̯uː]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - d in “ICD” becomes q in “ICQ”. Our composite confusion score for this pair is 85228, 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]. ICQ is at rank #48,240, tagged as anabbrev, pronounced [ˌaɪsiːˈkɪ̯uː].

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 85228, this pair ranks #111,405 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of ICD vs ICQ

Shared letters: ci. Private to "ICD": d. Private to "ICQ": q.

"ICD" · 3 letters · shape VCC  ·  "ICQ" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "ICD" for "ICQ" ever safe?
No. They are said differently ([iːtseːˈdeː] versus [ˌaɪsiːˈkɪ̯uː]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ICD" or "ICQ"?
"ICD" is the more common of the two: it sits at frequency rank #36,988 in our German list, against #48,240 for "ICQ". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "ICD" and "ICQ" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "ICD" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ICQ" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #111,405 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ICD" and "ICQ" also get mixed up with nearby pairs, the highest-scored neighbour is "ICQ vs IMs". Nearby pair

Confusion rank #111,405 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