duovsdzWhich spelling fits?

Quick tell: duo is a num, dz is a noun, so they fill different roles in a sentence.

Which to use

“duo” is a num and “dz” is a noun - they look or sound alike but fill different roles in a sentence.

#5,822
“duo” frequency rank
#17,857
“dz” frequency rank
23679
confusion score

Side-by-Side Comparison

Feature duo dz
Definition zwei Digraph in der polnischen Sprache

Letter map: duo vs dz

Shared letters muted; letters that set duo and dz apart highlighted. Shared run: 1.

3 ch
duo
2 ch
dz

Part-of-speech tell for duo / dz

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: duo is anum and dzanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 23679, derived from the frequency rank of both members and their visual similarity.

duo is recorded at frequency rank #5,822, classified as anum, pronounced […]. dz is at rank #17,857, tagged as anoun, pronounced [d͡zɛ].

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 23679, this pair ranks #1,858,069 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of duo vs dz

Shared letters: d. Private to "duo": ou. Private to "dz": z.

"duo" · 3 letters · shape CVV  ·  "dz" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "duo" for "dz" ever safe?
No - they are not even the same part of speech. "duo" is a num and "dz" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "duo" or "dz" show up more?
"duo" is the more common of the two: it sits at frequency rank #5,822 in our German list, against #17,857 for "dz". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "duo" vs "dz" is on the table, pick a follow-up below.

  • Full dictionary entry for "duo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dz" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,858,069 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "duo" and "dz" also get mixed up with nearby pairs, the highest-scored neighbour is "duc vs dz". Nearby pair

Confusion rank #1,858,069 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