15-Letter Words Matching A_________E____

There are 30 15-letter words that match A_________E____. 14 are common words, such as ACKNOWLEDGEMENT and ACQUISITIVENESS. A rarer one is AVAILABLENESSES. 25 words contain a doubled letter.

Full list 30

Common words

acknowledgementacquisitivenessagreeablenessesairworthinessesambitiousnessesamorphousnessesanalogousnessesappropriatenessarbitrarinessesassertivenessesassiduousnessesatrociousnesses
acknowledgementacquisitivenessagreeablenessesairworthinessesambitiousnessesamorphousnessesanalogousnessesappropriatenessarbitrarinessesassertivenessesassiduousnessesatrociousnessesattentivenessesaudaciousnessesaccountablenessacknowledgeableadmirablenessesanomalousnessesanticholinergicacceptingnessesadversarinessesadvisablenessesaggregatenessesalternativenessambiguousnessesanonymousnessesantiallergenicsantisentimentalarchaebacteriumavailablenesses

About this list

Words
30 (14 common words)
Common example
acknowledgement
Rare example
availablenesses
Doubled letters
25
Ending in S
25

Questions

How many 15-letter words matching a_________e____ are there?

30. 14 of them are common words.

What is a common example?

ACKNOWLEDGEMENT is among the common words in this set.