DenisvsdennWhat's the difference?

Quick tell: Denis is a name, denn is a conjunction, so they fill different roles in a sentence.

Which to use

“Denis” is a name and “denn” is a conjunction - they look or sound alike but fill different roles in a sentence.

#10,632
“Denis” frequency rank
#105
“denn” frequency rank
10737
confusion score

Side-by-Side Comparison

Feature Denis denn
Definition französischer männlicher Vorname leitet einen Hauptsatz ein, der den Grund für das, was vorher festgestellt wurde, liefert

Where the eye mixes Denis and denn

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
Denis
4 ch
denn

Why the eye confuses Denis with denn

These two trip readers on the page rather than in the ear: Denis is [dəˈni] while denn is [dɛn]. 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 (name vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 10737, derived from the frequency rank of both members and their visual similarity.

Denis is recorded at frequency rank #10,632, classified as aname, pronounced [dəˈni]. denn is at rank #105, tagged as aconj, pronounced [dɛn].

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 10737, this pair ranks #1,973,589 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Denis vs denn

Shared letters: den. Private to "Denis": is. Private to "denn": -.

"Denis" · 5 letters · shape CVCVC  ·  "denn" · 4 letters · shape CVCC

Known mistypes of this pair

  • Denisddenis · deniss · dennis · densi · dneis · ednis
  • dennddenn · dnen · ednn

Frequently Asked Questions

Can "Denis" and "denn" be used interchangeably?
No - they are not even the same part of speech. "Denis" is a name and "denn" a conjunction, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Denis" vs "denn" - which ranks higher?
"denn" is the more common of the two: it sits at frequency rank #105 in our German list, against #10,632 for "Denis". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "Denis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "denn" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,973,589 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Denis" and "denn" also get mixed up with nearby pairs, the highest-scored neighbour is "Denis vs dess". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #1,973,589 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