14-Letter Words Matching _________O_A__

There are 23 14-letter words that match _________O_A__. 4 are common words, such as INTERNATIONALS and MULTINATIONALS. A rarer one is UNCONTEMPORARY. In this set, I is the most frequent open letter (21 words). 1 words contain a doubled letter.

Full list 23

internationalsmultinationalsnonreciprocalstransnationalscoevolutionarymastigophoransperlocutionarybiconditionalsbildungsromanebildungsromanscontractionaryendotheliomatafibrosarcomataglioblastomataintercorporatelignosulfonatemesotheliomataneurofibromataosteosarcomatastagflationarysuperdiplomatsunaffectionateuncontemporary

About this list

Words
23 (4 common words)
Common example
internationals
Rare example
uncontemporary
Doubled letters
1
Ending in S
8
Most frequent letter
I (21)

Questions

How many 14-letter words matching _________o_a__ are there?

23. 4 of them are common words.

What is a common example?

INTERNATIONALS is among the common words in this set.