13-Letter Words Containing SSA

There are 16 13-letter words that contain SSA. 7 are common words, such as AMBASSADORIAL and ANTIMACASSARS. A rarer one is THALASSAEMIAS. In this set, I is the most frequent open letter (13 words). 16 words contain a doubled letter.

Full list 16

ambassadorialantimacassarsassassinatingassassinationcommissariatsdissatisfyingunnecessarilyimpassabilityincessantnessunsurpassableassassinatorsembarrassableinspissationsintrogressantsupercolossalthalassaemias

About this list

Words
16 (7 common words)
Common example
ambassadorial
Rare example
thalassaemias
Doubled letters
16
Ending in S
6
Most frequent letter
I (13)

Questions

How many 13-letter words containing ssa are there?

16. 7 of them are common words.

What is a common example?

AMBASSADORIAL is among the common words in this set.