12-Letter Words Matching ____S__M____

There are 16 12-letter words that match ____S__M____. 5 are common words, such as DISASSEMBLED and DISASSEMBLES. A rarer one is TRANSHUMANTS. In this set, A is the most frequent open letter (15 words). 8 words contain a doubled letter.

Full list 16

disassembleddisassemblesguesstimatedguesstimatesunsystematicchrestomathydisassemblerpreassembledtranshumancemeristematicmisassembledmisassemblesmisestimatedmisestimatespoststimulustranshumants

About this list

Words
16 (5 common words)
Common example
disassembled
Rare example
transhumants
Doubled letters
8
Ending in S
6
Most frequent letter
A (15)

Questions

How many 12-letter words matching ____s__m____ are there?

16. 5 of them are common words.

What is a common example?

DISASSEMBLED is among the common words in this set.