12-Letter Words Matching D__________C

There are 18 12-letter words that match D__________C. 1 are common words, such as DIAGRAMMATIC and DECASYLLABIC. A rarer one is DYSPHEMISTIC. In this set, I is the most frequent open letter (18 words). 3 words contain a doubled letter.

Full list 18

diagrammaticdecasyllabicdiphtheriticdiploblasticdiplocardiacdermatologicdeuteranopicdiabetogenicdiageotropicdicarboxylicdiencephalicdilatometricdiscographicdissymmetricdodecaphonicdopaminergicdynamometricdysphemistic

About this list

Words
18 (1 common words)
Common example
diagrammatic
Rare example
dysphemistic
Doubled letters
3
Ending in S
0
Most frequent letter
I (18)

Questions

How many 12-letter words matching d__________c are there?

18. 1 of them are common words.

What is a common example?

DIAGRAMMATIC is among the common words in this set.