dadvsdenWhich spelling fits?

Quick tell: dad is a noun, den is an unknown, so they fill different roles in a sentence.

Which to use

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

#9,875
“dad” frequency rank
#10
“den” frequency rank
9885
confusion score

Side-by-Side Comparison

Feature dad den
Definition Vater, Papa Akkusativ Singular Maskulinum des bestimmten Artikels der

Where the eye mixes dad and den

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

3 ch
dad
3 ch
den

Look-alike desk: dad vs den

These two trip readers on the page rather than in the ear: dad is [dæd] while den is [deːn]. 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 (noun vs unknown), which is usually the fastest check. Our composite confusion score for this pair is 9885, derived from the frequency rank of both members and their visual similarity.

dad is recorded at frequency rank #9,875, classified as anoun, pronounced [dæd]. den is at rank #10, tagged as anunknown, pronounced [deːn].

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 9885, this pair ranks #1,977,825 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of dad vs den

Shared letters: d. Private to "dad": a. Private to "den": en.

"dad" · 3 letters · shape CVC  ·  "den" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "dad" for "den" ever safe?
No - they are not even the same part of speech. "dad" is a noun and "den" an unknown, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dad" or "den"?
"den" is the more common of the two: it sits at frequency rank #10 in our German list, against #9,875 for "dad". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "dad" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "den" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,977,825 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "dad" and "den" also get mixed up with nearby pairs, the highest-scored neighbour is "dad vs duc". Nearby pair

Confusion rank #1,977,825 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