15-Letter Words Matching _S_____________

There are 57 15-letter words that match _S_____________. 8 are common words, such as ASSERTIVENESSES and ASSIDUOUSNESSES. A rarer one is PSYCHOSYNTHESIS. In this set, I is the most frequent open letter (52 words). 19 words contain a doubled letter.

Full list 57

Common words

assertivenessesassiduousnessesastrophysicistspsychedelicallypsychoanalyzingpsychologicallypsychotherapiespsychotherapistasclepiadaceousassimilationistassociationismsastronautically
assertivenessesassiduousnessesastrophysicistspsychedelicallypsychoanalyzingpsychologicallypsychotherapiespsychotherapistasclepiadaceousassimilationistassociationismsastronauticallyastronavigationessentialnessesisoperimetricalosteomyelitidesosteopathicallypsephologicallypseudepigraphalpseudepigraphicpsychobiologistpsychodiagnosispsychogenicallypsycholinguistspsychometricianpsychoneuroticspsychopathologypsychotomimeticassignabilitiesassimilationismassociationistsassociativitiesastrobiologistsastrophotographastrophysicallyesterificationsestimablenessesoscillographiesosmoregulationspseudepigraphonpseudocoelomatepseudomorphismspseudopregnancypseudoscientistpseudoscorpionspsychiatricallypsychoacousticspsychobiographypsychobiologiespsychochemicalspsychohistorianpsychohistoriespsychophysicistpsychosexualitypsychosurgeriespsychosynthesespsychosynthesis

About this list

Words
57 (8 common words)
Common example
assertivenesses
Rare example
psychosynthesis
Doubled letters
19
Ending in S
28
Most frequent letter
I (52)

Questions

How many 15-letter words matching _s_____________ are there?

57. 8 of them are common words.

What is a common example?

ASSERTIVENESSES is among the common words in this set.