13-Letter Words Matching _____DA______

There are 18 13-letter words that match _____DA______. 4 are common words, such as DEPENDABILITY and DILLYDALLYING. A rarer one is UPGRADABILITY. In this set, I is the most frequent open letter (17 words). 4 words contain a doubled letter.

Full list 18

dependabilitydillydallyinggranddaughterlackadaisicalaffordabilitydegradabilityexpandabilityextendabilityformidabilitysecondarinessunreadabilityexcludabilityexpendabilityextrudabilitypreordainmentrefundabilityspreadabilityupgradability

About this list

Words
18 (4 common words)
Common example
dependability
Rare example
upgradability
Doubled letters
4
Ending in S
1
Most frequent letter
I (17)

Questions

How many 13-letter words matching _____da______ are there?

18. 4 of them are common words.

What is a common example?

DEPENDABILITY is among the common words in this set.