11-Letter Words Matching _____D___O_

There are 22 11-letter words that match _____D___O_. 10 are common words, such as DEGRADATION and DEPREDATION. A rarer one is RITARDANDOS. In this set, I is the most frequent open letter (22 words). 2 words contain a doubled letter.

Full list 22

degradationdepredationelucidationextraditionfecundationliquidationpeccadillosreconditionretardationtrepidationcuspidationinfeudationsubauditionwitchdoctoraggradationdeconditiondeoxidationepoxidationinterdictorrecordationreoxidationritardandos

About this list

Words
22 (10 common words)
Common example
degradation
Rare example
ritardandos
Doubled letters
2
Ending in S
2
Most frequent letter
I (22)

Questions

How many 11-letter words matching _____d___o_ are there?

22. 10 of them are common words.

What is a common example?

DEGRADATION is among the common words in this set.