12-Letter Words Matching _____A__O___

There are 54 12-letter words that match _____A__O___. 13 are common words, such as ABERRATIONAL and GENERATIONAL. A rarer one is SPECIATIONAL. 8 words contain a doubled letter.

Full list 54

Common words

aberrationalgenerationalinvitationalmisdiagnosedmisdiagnosesmisdiagnosismotivationalnavigationaloccupationalphilharmonicquadraphonicrecreational
aberrationalgenerationalinvitationalmisdiagnosedmisdiagnosesmisdiagnosismotivationalnavigationaloccupationalphilharmonicquadraphonicrecreationalsmorgasbordsadaptationalantinarcoticantirationalantitakeoveraspirationalcamerapeopledenotationalderivationalepidiascopesfoundationalfrankalmoigninnovationalintonationalirrigationalmaturationalmeditationalsalutationalscorpaenoidsvegetationalvinegarroonsvisitationalanaplasmosesanaplasmosisannexationalanthracnosesanticathodesantinationalcrystalloidsdilatationaldodecaphonicexcavationalindicationalinhalationalinvocationalirrotationallevitationallimitationalperorationalpopulationalreputationalspeciational

About this list

Words
54 (13 common words)
Common example
aberrational
Rare example
speciational
Doubled letters
8
Ending in S
11

Questions

How many 12-letter words matching _____a__o___ are there?

54. 13 of them are common words.

What is a common example?

ABERRATIONAL is among the common words in this set.