14-Letter Words Matching __A_R_________

There are 13 14-letter words that match __A_R_________. 4 are common words, such as QUADRILATERALS and QUADRUPLICATED. A rarer one is SCABROUSNESSES. 7 words contain a doubled letter.

Full list 13

quadrilateralsquadruplicatedquadruplicatesrearrangementsanagrammaticalanagrammatizedanagrammatizesdiagrammaticalquadrillionthsclairaudiencesclairaudientlyquadrumviratesscabrousnesses

About this list

Words
13 (4 common words)
Common example
quadrilaterals
Rare example
scabrousnesses
Doubled letters
7
Ending in S
8

Questions

How many 14-letter words matching __a_r_________ are there?

13. 4 of them are common words.

What is a common example?

QUADRILATERALS is among the common words in this set.