12-Letter Words Matching A_________S_

There are 61 12-letter words that match A_________S_. 21 are common words, such as ABOLITIONISM and ABOLITIONIST. A rarer one is AVICULTURIST. In this set, I is the most frequent open letter (50 words). 30 words contain a doubled letter.

Full list 61

Common words

abolitionismabolitionistabrasivenessabsolutenessabstractnessabstrusenessaccordionistaccuratenessaccursednessadequatenessadhesivenessadorableness
abolitionismabolitionistabrasivenessabsolutenessabstractnessabstrusenessaccordionistaccuratenessaccursednessadequatenessadhesivenessadorablenessaestheticismagribusinessairworthiestallusivenessambassadressanaesthetistantisemitismappositenessarcheologistaccompanyistadaptivenessaeroembolismallomorphismalmightinessamenablenessanecdotalistanticatalystantifeminismantifeministantihumanismantipacifistapiculturistasynchronismautomorphismabortivenessaffectednessairtightnessambitionlessamicablenessanecdotalismangelologistanisotropismantibacklashantiblackismantibusinessantiepilepsyantinepotismantinovelistantiroyalistapocalyptismapocalyptistapostrophiseapparentnessassemblagistasterisklessattitudiniseautomobilistaversivenessaviculturist

About this list

Words
61 (21 common words)
Common example
abolitionism
Rare example
aviculturist
Doubled letters
30
Ending in S
25
Most frequent letter
I (50)

Questions

How many 12-letter words matching a_________s_ are there?

61. 21 of them are common words.

What is a common example?

ABOLITIONISM is among the common words in this set.