13-Letter Words Matching ___SM________

There are 12 13-letter words that match ___SM________. 5 are common words, such as SEISMOGRAPHER and SEISMOGRAPHIC. A rarer one is SEISMOMETRIES. 3 words contain a doubled letter.

Full list 12

seismographerseismographicseismologicalseismologistsspasmodicallyelasmobranchsprismaticallyisosmoticallynewsmagazinesorismologicalplasmodesmataseismometries

About this list

Words
12 (5 common words)
Common example
seismographer
Rare example
seismometries
Doubled letters
3
Ending in S
4

Questions

How many 13-letter words matching ___sm________ are there?

12. 5 of them are common words.

What is a common example?

SEISMOGRAPHER is among the common words in this set.