dec vs doi, What's the Difference?

Which to use

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

#40,469
“dec” frequency rank: #42,427
“doi” frequency rank: 82896
confusion score

Side-by-Side Comparison

Feature	dec	doi
Definition	Abkürzung für den Monat december; Dezember	3. Person Singular Indikativ Präsens Aktiv des Verbs doić

Letter map: dec vs doi

Shared letters muted; letters that set dec and doi apart highlighted. Shared run: 1. dec (CVC) and doi (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch

dec

3 ch

doi

Grammar separator: dec vs doi

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dec is anabbrev and doiaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 82896, derived from the frequency rank of both members and their visual similarity.

dec is recorded at frequency rank #40,469, classified as anabbrev. doi is at rank #42,427, tagged as averb, pronounced [ˈdɔji].

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 82896, this pair ranks #149,119 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of dec vs doi

Shared letters: d. Private to "dec": ce. Private to "doi": io.

"dec" · 3 letters · shape CVC · "doi" · 3 letters · shape CVV

Frequently Asked Questions

Do "dec" and "doi" mean the same thing in a sentence?

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

In ordinary German text, does "dec" or "doi" show up more?

"dec" is the more common of the two: it sits at frequency rank #40,469 in our German list, against #42,427 for "doi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "dec" vs "doi" 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 "doi" - compare definitions side by side with the headword page. Word entry
This pair ranks #149,119 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"dec" and "doi" also get mixed up with nearby pairs, the highest-scored neighbour is "doi vs dörr". Nearby pair

Confusion rank #149,119 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.