12-Letter Words Matching __D_____L___

There are 22 12-letter words that match __D_____L___. 3 are common words, such as UNDERBELLIES and UNDERSELLING. A rarer one is UNDERUTILIZE. In this set, I is the most frequent open letter (19 words). 9 words contain a doubled letter.

Full list 22

underbelliesundersellingunderwhelmedhydrogeologyhydrophilousindelibilityindisciplineradiobiologyradionuclidereducibilitybedrivellinghydrobiologyhydrocolloidinducibilitymodulabilitypedestallingpodophyllinspodophyllumsradioecologyredistillingundercoolingunderutilize

About this list

Words
22 (3 common words)
Common example
underbellies
Rare example
underutilize
Doubled letters
9
Ending in S
4
Most frequent letter
I (19)

Questions

How many 12-letter words matching __d_____l___ are there?

22. 3 of them are common words.

What is a common example?

UNDERBELLIES is among the common words in this set.