10-Letter Words Matching ___I_____A

There are 20 10-letter words that match ___I_____A. 4 are common words, such as ASPIDISTRA and DESIDERATA. A rarer one is RETINACULA. 1 words contain a doubled letter.

Full list 20

aspidistradesiderataequilibriapericardiaantinauseahemicraniahemiplegiaperipeteiaperitheciascriptoriaantianemiaantiasthmadefiniendalatifundiamediastinameningiomapenicilliapericraniaperineuriaretinacula

About this list

Words
20 (4 common words)
Common example
aspidistra
Rare example
retinacula
Doubled letters
1
Ending in S
0

Questions

How many 10-letter words matching ___i_____a are there?

20. 4 of them are common words.

What is a common example?

ASPIDISTRA is among the common words in this set.