15-Letter Words Matching _A_______O_____

There are 19 15-letter words that match _A_______O_____. 3 are common words, such as BACTERIOLOGICAL and BACTERIOLOGISTS. A rarer one is RADIOBIOLOGISTS. 2 words contain a doubled letter.

Full list 19

bacteriologicalbacteriologistspaleontologistslabyrinthodontspaleontologicalradiomicrometerradiophotographlaryngectomizedmacrophotographpaleobiologicalpaleobiologistspaleoecologicalpaleoecologistspaleozoologicalpaleozoologistsparasitologicalparasitologistsradiobiologicalradiobiologists

About this list

Words
19 (3 common words)
Common example
bacteriological
Rare example
radiobiologists
Doubled letters
2
Ending in S
8

Questions

How many 15-letter words matching _a_______o_____ are there?

19. 3 of them are common words.

What is a common example?

BACTERIOLOGICAL is among the common words in this set.