12-Letter Words Matching A_________T_

There are 70 12-letter words that match A_________T_. 30 are common words, such as ABANDONMENTS and ABORTIONISTS. A rarer one is AVUNCULARITY. In this set, I is the most frequent open letter (57 words). 19 words contain a doubled letter.

Full list 70

Common words

abandonmentsabortionistsabridgementsaccompanistsachievementsacquirementsadaptabilityadjournmentsadministrateadvancementsadvisabilityaffectionate
abandonmentsabortionistsabridgementsaccompanistsachievementsacquirementsadaptabilityadjournmentsadministrateadvancementsadvisabilityaffectionateaftereffectsaftermarketsanesthetistsanthologistsantifascistsantigenicityantioxidantsappeasementsappointmentsarbitramentsarraignmentsarrangementsastrologistsaudiologistsauthenticateauthenticityautoimmunityavailabilityabolishmentsabsorptivityabsquatulateactinomyceteadmirabilityadventuristsalcoholicityalienabilityappassionatoarsenopyriteassuagementsadoptabilityadoptionistsaerenchymataaggressivityagranulocyteagreeabilityalterabilityandouilletteanelasticityanthranilateantiboycottsantielitistsantiliterateantimosquitoantiozonantsantirealistsaperiodicityapostolicityappurtenantsaquarellistsaquatintistsarchegoniateartilleristsassumabilityautomaticityautomobilityautosuggestsavascularityavuncularity

About this list

Words
70 (30 common words)
Common example
abandonments
Rare example
avuncularity
Doubled letters
19
Ending in S
34
Most frequent letter
I (57)

Questions

How many 12-letter words matching a_________t_ are there?

70. 30 of them are common words.

What is a common example?

ABANDONMENTS is among the common words in this set.