12-Letter Words Matching ___SM_______

There are 19 12-letter words that match ___SM_______. 4 are common words, such as SEISMOGRAPHS and SEISMOGRAPHY. A rarer one is TINSMITHINGS. 1 words contain a doubled letter.

Full list 19

seismographsseismographyseismologiesseismologistelasmobranchnewsmagazineoarsmanshipsseismometersgunsmithingsorismologiesplasmalemmasplasminogensplasmodesmasplasmogamiesplasmolyzingseismicitiesseismometricspasmolyticstinsmithings

About this list

Words
19 (4 common words)
Common example
seismographs
Rare example
tinsmithings
Doubled letters
1
Ending in S
13

Questions

How many 12-letter words matching ___sm_______ are there?

19. 4 of them are common words.

What is a common example?

SEISMOGRAPHS is among the common words in this set.