12-Letter Words Matching S_____G_____

There are 26 12-letter words that match S_____G_____. 6 are common words, such as SEISMOGRAPHS and SEISMOGRAPHY. A rarer one is SUPEREGOISTS. In this set, R is the most frequent open letter (21 words). 4 words contain a doubled letter.

Full list 26

Common words

seismographsseismographyselenographyspotlightingsubmergencessuffragettessalpingotomyschizogoniesscrounginessseronegativeshadowgraphsspermogonium
seismographsseismographyselenographyspotlightingsubmergencessuffragettessalpingotomyschizogoniesscrounginessseronegativeshadowgraphsspermogoniumsprechgesangsteeragewaysstereographystratigraphyschizogonousscintigraphyshadowgraphysnollygosterspermagoniumsprachgefuhlstereographsstrategizingsublanguagessuperegoists

About this list

Words
26 (6 common words)
Common example
seismographs
Rare example
superegoists
Doubled letters
4
Ending in S
11
Most frequent letter
R (21)

Questions

How many 12-letter words matching s_____g_____ are there?

26. 6 of them are common words.

What is a common example?

SEISMOGRAPHS is among the common words in this set.