9-Letter Words Matching __U__D___

There are 13 9-letter words that match __U__D___. 8 are common words, such as COUNTDOWN and CRUSADERS. A rarer one is SQUIDDING. In this set, S is the most frequent open letter (9 words). 2 words contain a doubled letter.

Full list 13

countdowncrusaderscrusadingelucidatesquandersstupideststupiditytouchdownabuildingcrusadoescruzadoessquaddingsquidding

About this list

Words
13 (8 common words)
Common example
countdown
Rare example
squidding
Doubled letters
2
Ending in S
4
Most frequent letter
S (9)

Questions

How many 9-letter words matching __u__d___ are there?

13. 8 of them are common words.

What is a common example?

COUNTDOWN is among the common words in this set.