denvsdoWhich spelling fits?

Quick tell: den is a unknown, do is a particle, so they fill different roles in a sentence.

Which to use

“den” is an unknown and “do” is a particle - they look or sound alike but fill different roles in a sentence.

#10
“den” frequency rank
#2,290
“do” frequency rank
2300
confusion score

Side-by-Side Comparison

Feature den do
Definition Akkusativ Singular Maskulinum des bestimmten Artikels der beim Solmisieren oder Solfeggieren benutzte Silbe zum Singen eines bestimmten Tons aus der Tonleiter

Where the eye mixes den and do

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

3 ch
den
2 ch
do

Look-alike desk: den vs do

These two trip readers on the page rather than in the ear: den is [deːn] while do is [doː]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (unknown vs particle), which is usually the fastest check. Our composite confusion score for this pair is 2300, derived from the frequency rank of both members and their visual similarity.

den is recorded at frequency rank #10, classified as anunknown, pronounced [deːn]. do is at rank #2,290, tagged as aparticle, pronounced [doː].

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 2300, this pair ranks #2,002,668 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of den vs do

Shared letters: d. Private to "den": en. Private to "do": o.

"den" · 3 letters · shape CVC  ·  "do" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "den" for "do" ever safe?
No - they are not even the same part of speech. "den" is an unknown and "do" a particle, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "den" vs "do" - which ranks higher?
"den" is the more common of the two: it sits at frequency rank #10 in our German list, against #2,290 for "do". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "den" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "do" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,002,668 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "den" and "do" also get mixed up with nearby pairs, the highest-scored neighbour is "do vs dörr". Nearby pair

Confusion rank #2,002,668 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