15-Letter Words Matching _S___________E_

There are 13 15-letter words that match _S___________E_. 3 are common words, such as ASSERTIVENESSES and ASSIDUOUSNESSES. A rarer one is PSYCHOSYNTHESES. In this set, S is the most frequent open letter (13 words). 7 words contain a doubled letter.

Full list 13

assertivenessesassiduousnessespsychotherapiesessentialnessesosteomyelitidesassignabilitiesassociativitiesestimablenessesoscillographiespsychobiologiespsychohistoriespsychosurgeriespsychosyntheses

About this list

Words
13 (3 common words)
Common example
assertivenesses
Rare example
psychosyntheses
Doubled letters
7
Ending in S
13
Most frequent letter
S (13)

Questions

How many 15-letter words matching _s___________e_ are there?

13. 3 of them are common words.

What is a common example?

ASSERTIVENESSES is among the common words in this set.