15-Letter Words Matching ____I_____S____

There are 15 15-letter words that match ____I_____S____. 5 are common words, such as CARNIVOROUSNESS and MEANINGLESSNESS. A rarer one is FLORIFEROUSNESS. 15 words contain a doubled letter.

Full list 15

carnivorousnessmeaninglessnessmellifluousnessmultiprocessingmultiprocessorsduplicitousnessfideicommissaryodoriferousnesspassionlessnesspestiferousnessprecipitousnesspromiscuousnessemotionlessnessfissiparousnessfloriferousness

About this list

Words
15 (5 common words)
Common example
carnivorousness
Rare example
floriferousness
Doubled letters
15
Ending in S
13

Questions

How many 15-letter words matching ____i_____s____ are there?

15. 5 of them are common words.

What is a common example?

CARNIVOROUSNESS is among the common words in this set.