13-Letter Words Matching __________U_S

There are 18 13-letter words that match __________U_S. 6 are common words, such as ENTREPRENEURS and MISDEMEANOURS. A rarer one is SUPERPREMIUMS. In this set, E is the most frequent open letter (15 words). 4 words contain a doubled letter.

Full list 18

entrepreneursmisdemeanourspraseodymiumsprotactiniumsrestaurateursthundercloudsunnilpentiumsunnilquadiumscarillonneurscinemathequescounterarguesepithalamiumsintrapreneursnonpetroleumsquinquenniumsradiothoriumssecretagoguessuperpremiums

About this list

Words
18 (6 common words)
Common example
entrepreneurs
Rare example
superpremiums
Doubled letters
4
Ending in S
18
Most frequent letter
E (15)

Questions

How many 13-letter words matching __________u_s are there?

18. 6 of them are common words.

What is a common example?

ENTREPRENEURS is among the common words in this set.