Which to use
“duo” is a num and “ii” is an unknown - they look or sound alike but fill different roles in a sentence.
- #5,822
- “duo” frequency rank
- #520
- “ii” frequency rank
- 6342
- confusion score
Side-by-Side Comparison
| Feature | duo | ii |
|---|---|---|
| Definition | zwei | Nominativ Plural Maskulinum des Pronomens is |
Letter map: duo vs ii
Shared letters muted; letters that set duo and ii apart highlighted. No shared letter run.
Part-of-speech tell for duo / ii
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: duo is anum and iianunknown. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 6342, derived from the frequency rank of both members and their visual similarity.
duo is recorded at frequency rank #5,822, classified as anum, pronounced […]. 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 6342, this pair ranks #1,991,970 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of duo vs ii
Shared letters: none. Private to "duo": dou. Private to "ii": i.
"duo" · 3 letters · shape CVV · "ii" · 2 letters · shape VV
Frequently Asked Questions
Is swapping "duo" for "ii" ever safe?
Which is more common, "duo" or "ii"?
After this comparison
You've compared "duo" and "ii". Here's where to go from here.
- Full dictionary entry for "duo" 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 #1,991,970 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "duo" and "ii" also get mixed up with nearby pairs, the highest-scored neighbour is "duo vs puzzles". Nearby pair
Confusion rank #1,991,970 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.