11-Letter Words Matching D_U________

There are 18 11-letter words that match D_U________. 5 are common words, such as DAUNTLESSLY and DOUBLESPEAK. A rarer one is DUUMVIRATES. In this set, E is the most frequent open letter (16 words). 6 words contain a doubled letter.

Full list 18

dauntlesslydoublespeakdoubtfullerdoubtlesslydrunkennessdeuteranopedeuterogamydoublethinkdrunkometerdaunomycinsdeuteratingdeuterationdeutoplasmsdoughtinessdouroucoulidrumbeatersdrumbeatingduumvirates

About this list

Words
18 (5 common words)
Common example
dauntlessly
Rare example
duumvirates
Doubled letters
6
Ending in S
6
Most frequent letter
E (16)

Questions

How many 11-letter words matching d_u________ are there?

18. 5 of them are common words.

What is a common example?

DAUNTLESSLY is among the common words in this set.