13-Letter Words Matching A_C__________

There are 53 13-letter words that match A_C__________. 32 are common words, such as ACCELERATIONS and ACCENTUATIONS. A rarer one is ARCHEGONIATES. In this set, I is the most frequent open letter (43 words). 34 words contain a doubled letter.

Full list 53

Common words

accelerationsaccentuationsacceptabilityaccessibilityacclimatizingaccommodatingaccommodationaccompanimentaccomplishingaccordionistsaccountanciesaccouterments
accelerationsaccentuationsacceptabilityaccessibilityacclimatizingaccommodatingaccommodationaccompanimentaccomplishingaccordionistsaccountanciesaccoutermentsaccoutrementsaccreditationacculturatingacculturationaccumulationsalcoholicallyanchorpersonsancientnessesarchaeologiesarchaeologistarchbishopricarchduchessesarcheologicalarcheologistsarchipelagoesarchitectonicarchitecturalarchitecturesascertainableascertainmentaccelerometeraccessorizingacciaccaturasaccommodativeaccompanyistsaccouchementsacculturativealcoholometerarchaeopteryxarchdeaconatearchidiaconalarchimandriteacceptingnessaccessorisingacclimatisingacclimatizersaccommodatorsaccomplishersaccustomationalchemisticalarchegoniates

About this list

Words
53 (32 common words)
Common example
accelerations
Rare example
archegoniates
Doubled letters
34
Ending in S
22
Most frequent letter
I (43)

Questions

How many 13-letter words matching a_c__________ are there?

53. 32 of them are common words.

What is a common example?

ACCELERATIONS is among the common words in this set.