12-Letter Words Matching _A_____O____

There are 96 12-letter words that match _A_____O____. 34 are common words, such as BACKSTROKING and BACTERIOLOGY. A rarer one is WATERPROOFER. In this set, S is the most frequent open letter (75 words). 23 words contain a doubled letter.

Full list 96

Common words

backstrokingbacteriologycalamitouslycandlepowerscaparisoningcapriciouslycardiologiescardiologistcatastrophescatastrophiccauliflowerseavesdropped
backstrokingbacteriologycalamitouslycandlepowerscaparisoningcapriciouslycardiologiescardiologistcatastrophescatastrophiccauliflowerseavesdroppedeavesdropperfallaciouslyfastidiouslygastronomieshaemoglobinsharmoniouslylaboratorieslanguorouslylasciviouslymackintoshesmacrobioticsmarvellouslymastectomiespaleontologyparatroopersparishionerspartitioningradioisotoperadioscopiessalutatoriansanctimonieswaterproofedbacteriostatballadmongerbarrelhousescadaverouslycalumniouslycannonfodderdaguerrotypefactitiouslygastrologistlachrymoselylachrymositylactoproteinlaparotomiesmalodorouslypaleobiologypaleoecologypaleozoologypalindromistparachronismparalipomenaparasitologyradiobiologyradiothoriumsalpiglossissalpingotomysalubriouslysanguinolentbacteriocinsbalneologiescalcareouslycandleholdercandyflossescardiotonicscarrottoppedgastronomisthaptoglobinsmalacologiesmalacologistpaddleboardspalynologiespalynologistpapyrologiespapyrologistparaboloidalparkinsonianparkinsonismpartitionerspartitionistpathobiologyradioecologyrampageouslysaccharoidalsalpiglossessaltimboccassalutatoriessalvationismsalvationistsansculottessansculotticwatercoolerswaterfloodedwaterproofer

About this list

Words
96 (34 common words)
Common example
backstroking
Rare example
waterproofer
Doubled letters
23
Ending in S
32
Most frequent letter
S (75)

Questions

How many 12-letter words matching _a_____o____ are there?

96. 34 of them are common words.

What is a common example?

BACKSTROKING is among the common words in this set.