dec vs denn, What's the Difference?

Which to use

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

#40,469
“dec” frequency rank: #105
“denn” frequency rank: 40574
confusion score

Side-by-Side Comparison

Feature	dec	denn
Definition	Abkürzung für den Monat december; Dezember	leitet einen Hauptsatz ein, der den Grund für das, was vorher festgestellt wurde, liefert

Letter map: dec vs denn

Shared letters muted; letters that set dec and denn apart highlighted. Shared run: 2.

3 ch

dec

4 ch

denn

Grammar separator: dec vs denn

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dec is anabbrev and dennaconjunction. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 40574, derived from the frequency rank of both members and their visual similarity.

dec is recorded at frequency rank #40,469, classified as anabbrev. 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 40574, this pair ranks #1,504,546 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dec vs denn

Shared letters: de. Private to "dec": c. Private to "denn": n.

"dec" · 3 letters · shape CVC · "denn" · 4 letters · shape CVCC

Known mistypes of this pair

denn ← ddenn · dnen · ednn

Frequently Asked Questions

Is swapping "dec" for "denn" ever safe?

No - they are not even the same part of speech. "dec" is an abbrev and "denn" a conjunction, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "dec" vs "denn" - which ranks higher?

"denn" is the more common of the two: it sits at frequency rank #105 in our German list, against #40,469 for "dec". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "dec" vs "denn" is on the table, pick a follow-up below.

Full dictionary entry for "dec" 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 #1,504,546 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"dec" and "denn" also get mixed up with nearby pairs, the highest-scored neighbour is "dec vs duch". 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 #1,504,546 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.