11-Letter Words Matching ____A__O___

There are 60 11-letter words that match ____A__O___. 17 are common words, such as AGORAPHOBIA and AGORAPHOBIC. A rarer one is VALUATIONAL. In this set, T is the most frequent open letter (44 words). 8 words contain a doubled letter.

Full list 60

Common words

agoraphobiaagoraphobicavocationalcollarboneseducationalgestationalmortarboardnonnarcoticoperationalpermafrostsprobationalprobationer
agoraphobiaagoraphobicavocationalcollarboneseducationalgestationalmortarboardnonnarcoticoperationalpermafrostsprobationalprobationersandalwoodssensationalsousaphonesultravioletvibraphonesantialcoholastraphobiaformationalgradationallactationalmigrationalprokaryotesprokaryoticradiationalsalvationalsituationalsubharmonicsummationaltetrasporesundiagnosedvariationalvibrationalagitationalagoraphobescarmagnolescompanionedlibrationalmascarponesmediationalnarrationalnonharmonicnonnationalnonrationalorphanhoodspentaploidspentaploidypolyalcoholprocaryotesprosauropodsubnationalsubrationaltetrachordstetraploidstetraploidytetrasporicthreadwormsultrasmoothvaluational

About this list

Words
60 (17 common words)
Common example
agoraphobia
Rare example
valuational
Doubled letters
8
Ending in S
16
Most frequent letter
T (44)

Questions

How many 11-letter words matching ____a__o___ are there?

60. 17 of them are common words.

What is a common example?

AGORAPHOBIA is among the common words in this set.