6-Letter Words Matching ___N_A

There are 20 6-letter words that match ___N_A. 10 are common words, such as AGENDA and CORNEA. A rarer one is URANIA. 5 words contain a doubled letter.

Full list 20

agendacorneacraniaduennaguineaherniaquantasiennastanzazinniakwanzaquinoacornuaeupneagoannaomentapenniaquintataeniaurania

About this list

Words
20 (10 common words)
Common example
agenda
Rare example
urania
Doubled letters
5
Ending in S
0

Questions

How many 6-letter words matching ___n_a are there?

20. 10 of them are common words.

What is a common example?

AGENDA is among the common words in this set.