15-Letter Words Matching ____UL_________

There are 16 15-letter words that match ____UL_________. 4 are common words, such as CREDULOUSNESSES and GARRULOUSNESSES. A rarer one is VASCULARIZATION. In this set, O is the most frequent open letter (15 words). 6 words contain a doubled letter.

Full list 16

credulousnessesgarrulousnessesquerulousnessestremulousnessescircularizationmusculoskeletalsingularizationcoagulabilitiesconsultantshipsformularizationmasculinizationnoncultivationsnonfulfillmentspendulousnessesunadulteratedlyvascularization

About this list

Words
16 (4 common words)
Common example
credulousnesses
Rare example
vascularization
Doubled letters
6
Ending in S
9
Most frequent letter
O (15)

Questions

How many 15-letter words matching ____ul_________ are there?

16. 4 of them are common words.

What is a common example?

CREDULOUSNESSES is among the common words in this set.