15-Letter Words Matching _S_______I_____

There are 13 15-letter words that match _S_______I_____. 3 are common words, such as ASTROPHYSICISTS and PSYCHEDELICALLY. A rarer one is PSYCHIATRICALLY. 10 words contain a doubled letter.

Full list 13

astrophysicistspsychedelicallypsychologicallyassimilationistastronauticallyosteomyelitidesosteopathicallypsephologicallypsychogenicallypsychotomimeticassimilationismastrophysicallypsychiatrically

About this list

Words
13 (3 common words)
Common example
astrophysicists
Rare example
psychiatrically
Doubled letters
10
Ending in S
2

Questions

How many 15-letter words matching _s_______i_____ are there?

13. 3 of them are common words.

What is a common example?

ASTROPHYSICISTS is among the common words in this set.