10-Letter Words Matching A_Y_______

There are 20 10-letter words that match A_Y_______. 3 are common words, such as ACYCLOVIRS and ASYMMETRIC. A rarer one is ASYNDETONS. 2 words contain a doubled letter.

Full list 20

acyclovirsasymmetricatypicallyasymptoticamygdalateamygdalineamygdaloidamylaceousamylolysesamylolysisamyotoniasarytenoidsasymptotesacylationsamygdalinsamylolyticamyloplastamylopsinsasynchronyasyndetons

About this list

Words
20 (3 common words)
Common example
acyclovirs
Rare example
asyndetons
Doubled letters
2
Ending in S
11

Questions

How many 10-letter words matching a_y_______ are there?

20. 3 of them are common words.

What is a common example?

ACYCLOVIRS is among the common words in this set.