10-Letter Words Ending in AST

There are 21 10-letter words that end in AST. 4 are common words, such as ENTHUSIAST and ICONOCLAST. A rarer one is SYMPOSIAST. In this set, O is the most frequent open letter (15 words). 2 words contain a doubled letter.

Full list 21

enthusiasticonoclastmizzenmastsportscastaminoplastcnidoblastfibroblastgymnasiastjiggermastleucoplastmetaphrastneuroblastosteoblastosteoclastparaphrastprotoplastameloblastamyloplastmyeloblaststatoblastsymposiast

About this list

Words
21 (4 common words)
Common example
enthusiast
Rare example
symposiast
Doubled letters
2
Ending in S
0
Most frequent letter
O (15)

Questions

How many 10-letter words ending in ast are there?

21. 4 of them are common words.

What is a common example?

ENTHUSIAST is among the common words in this set.