12-Letter Words Matching ____S_P_____

There are 13 12-letter words that match ____S_P_____. 7 are common words, such as BREASTPLATES and CHEESEPARING. A rarer one is GREASEPROOFS. In this set, E is the most frequent open letter (13 words). 4 words contain a doubled letter.

Full list 13

breastplatescheeseparinggreasepaintsoversuppliedoversuppliestheosophicaltheosophistschrysoprasesgamosepalousmonosepalouspolysepalouschrysophytesgreaseproofs

About this list

Words
13 (7 common words)
Common example
breastplates
Rare example
greaseproofs
Doubled letters
4
Ending in S
10
Most frequent letter
E (13)

Questions

How many 12-letter words matching ____s_p_____ are there?

13. 7 of them are common words.

What is a common example?

BREASTPLATES is among the common words in this set.