15-Letter Words Matching ____A_____R____

There are 12 15-letter words that match ____A_____R____. 0 are common words, such as ARCHAEOPTERYXES and CEPHALOCHORDATE. A rarer one is ULTRADEMOCRATIC. 2 words contain a doubled letter.

Full list 12

archaeopteryxescephalochordategalvanometricalmercaptopurinesultrasonographycephalothoracescephalothoraxescholangiographyintracerebrallynonbarbituratesultracommercialultrademocratic

About this list

Words
12 (0 common words)
Common example
archaeopteryxes
Rare example
ultrademocratic
Doubled letters
2
Ending in S
5

Questions

How many 15-letter words matching ____a_____r____ are there?

12. 0 of them are common words.

What is a common example?

ARCHAEOPTERYXES is among the common words in this set.