15-Letter Words Matching S____N_________

There are 12 15-letter words that match S____N_________. 1 are common words, such as SUPERNUMERARIES and SALPINGECTOMIES. A rarer one is SUSPENSEFULNESS. In this set, E is the most frequent open letter (12 words). 4 words contain a doubled letter.

Full list 12

supernumerariessalpingectomiessententiousnesssubcontraoctavesupernaturalismsupernaturalistseptendecillionsporangiophoressuccinylcholinesulfinpyrazonessupernutritionssuspensefulness

About this list

Words
12 (1 common words)
Common example
supernumeraries
Rare example
suspensefulness
Doubled letters
4
Ending in S
7
Most frequent letter
E (12)

Questions

How many 15-letter words matching s____n_________ are there?

12. 1 of them are common words.

What is a common example?

SUPERNUMERARIES is among the common words in this set.