15-Letter Words Matching S__P___________

There are 18 15-letter words that match S__P___________. 7 are common words, such as SHAPELESSNESSES and SIMPLIFICATIONS. A rarer one is SYMPTOMATOLOGIC. 11 words contain a doubled letter.

Full list 18

shapelessnessessimplificationssubprofessionalsumptuousnessessupplementationsympatheticallysymptomaticallysalpingectomiessimplicidentatestaphylorrhaphysnippersnapperssubproletariatssuppressibilitysuppressivenesssuspensefulnesssympathectomiessympathomimeticsymptomatologic

About this list

Words
18 (7 common words)
Common example
shapelessnesses
Rare example
symptomatologic
Doubled letters
11
Ending in S
9

Questions

How many 15-letter words matching s__p___________ are there?

18. 7 of them are common words.

What is a common example?

SHAPELESSNESSES is among the common words in this set.