dosvsducWhich spelling fits?

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

Which to use

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

#14,542
“dos” frequency rank
#48,075
“duc” frequency rank
62617
confusion score

Side-by-Side Comparison

Feature dos duc
Definition die Kardinalzahl zwischen eins und drei; zwei der Herzog, der Führer

Where the eye mixes dos and duc

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

3 ch
dos
3 ch
duc

Look-alike desk: dos vs duc

These two trip readers on the page rather than in the ear: dos is [dos] while duc is [duk]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 62617, derived from the frequency rank of both members and their visual similarity.

dos is recorded at frequency rank #14,542, classified as anum, pronounced [dos]. duc is at rank #48,075, tagged as anoun, pronounced [duk].

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 62617, this pair ranks #706,315 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dos vs duc

Shared letters: d. Private to "dos": os. Private to "duc": cu.

"dos" · 3 letters · shape CVC  ·  "duc" · 3 letters · shape CVC

Frequently Asked Questions

Do "dos" and "duc" mean the same thing in a sentence?
No - they are not even the same part of speech. "dos" is a num and "duc" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dos" or "duc"?
"dos" is the more common of the two: it sits at frequency rank #14,542 in our German list, against #48,075 for "duc". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "dos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "duc" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #706,315 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "dos" and "duc" also get mixed up with nearby pairs, the highest-scored neighbour is "duc vs dusch". Nearby pair

Confusion rank #706,315 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