13-Letter Words Matching _A_________U_

There are 16 13-letter words that match _A_________U_. 4 are common words, such as CARBONIFEROUS and CARTILAGINOUS. A rarer one is PARAMYXOVIRUS. 3 words contain a doubled letter.

Full list 16

carboniferouscartilaginoussanctimonioustablespoonfulbalsamiferouscalcariferouscarcinomatousgastrocnemiuslactobacillusmagnoliaceouspapaveraceouscamphoraceouscavernicolousgarnetiferouspapillomatousparamyxovirus

About this list

Words
16 (4 common words)
Common example
carboniferous
Rare example
paramyxovirus
Doubled letters
3
Ending in S
15

Questions

How many 13-letter words matching _a_________u_ are there?

16. 4 of them are common words.

What is a common example?

CARBONIFEROUS is among the common words in this set.