13-Letter Words Matching U____D_______

There are 13 13-letter words that match U____D_______. 4 are common words, such as UNCONDITIONAL and UNCONDITIONED. A rarer one is UPGRADABILITY. In this set, I is the most frequent open letter (13 words). 4 words contain a doubled letter.

Full list 13

unconditionalunconditionedunpredictableunpredictablyunderdressingunreadabilityuntraditionalultradistanceunbowdlerizedunhandicappedunhandinessesunreadinessesupgradability

About this list

Words
13 (4 common words)
Common example
unconditional
Rare example
upgradability
Doubled letters
4
Ending in S
2
Most frequent letter
I (13)

Questions

How many 13-letter words matching u____d_______ are there?

13. 4 of them are common words.

What is a common example?

UNCONDITIONAL is among the common words in this set.