15-Letter Words Matching D_____O________

There are 30 15-letter words that match D_____O________. 11 are common words, such as DEHYDROGENATING and DELICIOUSNESSES. A rarer one is DISINTOXICATION. In this set, I is the most frequent open letter (28 words). 12 words contain a doubled letter.

Full list 30

Common words

dehydrogenatingdeliciousnessesdeliriousnessesdenationalizingdepersonalizingdexterousnessesdisappointinglydisappointmentsdisassociationsdisembowelmentsdisinformationsdangerousnesses
dehydrogenatingdeliciousnessesdeliriousnessesdenationalizingdepersonalizingdexterousnessesdisappointinglydisappointmentsdisassociationsdisembowelmentsdisinformationsdangerousnessesdehydrogenationdemythologizingdermatoglyphicsdolichocephalicdecarboxylatingdecarboxylationdeciduousnessesdecomposabilitydeglamorizationdemythologizersdesultorinessesdiastrophicallydichotomizationdichotomousnessdictatorialnessdinitrobenzenesdisintoxicatingdisintoxication

About this list

Words
30 (11 common words)
Common example
dehydrogenating
Rare example
disintoxication
Doubled letters
12
Ending in S
15
Most frequent letter
I (28)

Questions

How many 15-letter words matching d_____o________ are there?

30. 11 of them are common words.

What is a common example?

DEHYDROGENATING is among the common words in this set.