13-Letter Words Matching _____L_U_____

There are 19 13-letter words that match _____L_U_____. 8 are common words, such as BACCALAUREATE and CREDULOUSNESS. A rarer one is TROUBLOUSNESS. In this set, S is the most frequent open letter (18 words). 12 words contain a doubled letter.

Full list 19

baccalaureatecredulousnessfrivolousnessgarrulousnessmiscalculatedmiscalculatesquerulousnesstremulousnessanomalousnessapiculturistsconvolvulusesmarvelousnessaviculturistsnoncellulosicoverslaughingpendulousnessprecalculusessubculturallytroublousness

About this list

Words
19 (8 common words)
Common example
baccalaureate
Rare example
troublousness
Doubled letters
12
Ending in S
14
Most frequent letter
S (18)

Questions

How many 13-letter words matching _____l_u_____ are there?

19. 8 of them are common words.

What is a common example?

BACCALAUREATE is among the common words in this set.