15-Letter Words Matching ____UR_________

There are 14 15-letter words that match ____UR_________. 5 are common words, such as LEISURELINESSES and PICTURESQUENESS. A rarer one is SULFUROUSNESSES. 10 words contain a doubled letter.

Full list 14

leisurelinessespicturesquenessresourcefulnessventuresomenessventurousnessesmeasurelessnessperdurabilitiesvoyeuristicallydisfurnishmentsmeasurabilitiesmensurabilitiesmercurialnessesrapturousnessessulfurousnesses

About this list

Words
14 (5 common words)
Common example
leisurelinesses
Rare example
sulfurousnesses
Doubled letters
10
Ending in S
13

Questions

How many 15-letter words matching ____ur_________ are there?

14. 5 of them are common words.

What is a common example?

LEISURELINESSES is among the common words in this set.