13-Letter Words Matching ____A______U_

There are 12 13-letter words that match ____A______U_. 4 are common words, such as DISHARMONIOUS and INSTANTANEOUS. A rarer one is ULTRAPOWERFUL. 0 words contain a doubled letter.

Full list 12

disharmoniousinstantaneousoverambitiousrestauranteurbalsamiferouscalcariferousjuglandaceouspolyadelphoustetrastichoustetradynamousultracautiousultrapowerful

About this list

Words
12 (4 common words)
Common example
disharmonious
Rare example
ultrapowerful
Doubled letters
0
Ending in S
10

Questions

How many 13-letter words matching ____a______u_ are there?

12. 4 of them are common words.

What is a common example?

DISHARMONIOUS is among the common words in this set.