12-Letter Words Starting With DER

There are 20 12-letter words that start with DER. 8 are common words, such as DERANGEMENTS and DEREGULATING. A rarer one is DEROGATIVELY. In this set, I is the most frequent open letter (17 words). 3 words contain a doubled letter.

Full list 20

derangementsderegulatingderegulationderelictionsderisivenessdermatitidesdermatitisesderogatorilyderacinatingderacinationderegulatoryderivationalderivativelydermabrasiondermatophytederepressingderepressionderivatizingdermatologicderogatively

About this list

Words
20 (8 common words)
Common example
derangements
Rare example
derogatively
Doubled letters
3
Ending in S
5
Most frequent letter
I (17)

Questions

How many 12-letter words starting with der are there?

20. 8 of them are common words.

What is a common example?

DERANGEMENTS is among the common words in this set.