12-Letter Words Matching S________P__

There are 24 12-letter words that match S________P__. 12 are common words, such as SEISMOGRAPHS and SEISMOGRAPHY. A rarer one is STREETSCAPES. In this set, R is the most frequent open letter (21 words). 3 words contain a doubled letter.

Full list 24

seismographsseismographyselenographysharecroppedsharecropperspokespeoplestereoscopesstereoscopicstethoscopesstroboscopesstroboscopicsuperscriptsshadowgraphssportspeoplestereographystratigraphysubprincipalscintigraphyshadowgraphysniperscopessomatotropinstereographsstethoscopicstreetscapes

About this list

Words
24 (12 common words)
Common example
seismographs
Rare example
streetscapes
Doubled letters
3
Ending in S
9
Most frequent letter
R (21)

Questions

How many 12-letter words matching s________p__ are there?

24. 12 of them are common words.

What is a common example?

SEISMOGRAPHS is among the common words in this set.