14-Letter Words Matching ____OA________

There are 15 14-letter words that match ____OA________. 2 are common words, such as OSTEOARTHRITIS and REBROADCASTING. A rarer one is RADIOAUTOGRAPH. In this set, T is the most frequent open letter (14 words). 3 words contain a doubled letter.

Full list 15

osteoarthritisrebroadcastingosteoarthriticprotoactiniumsaminoaciduriascyanoacrylatescycloadditionscycloaliphaticinchoatenessesmacroaggregatemicroanatomiesneuroanatomiesneuroanatomistphotoautotrophradioautograph

About this list

Words
15 (2 common words)
Common example
osteoarthritis
Rare example
radioautograph
Doubled letters
3
Ending in S
8
Most frequent letter
T (14)

Questions

How many 14-letter words matching ____oa________ are there?

15. 2 of them are common words.

What is a common example?

OSTEOARTHRITIS is among the common words in this set.