12-Letter Words Matching A_I_________

There are 24 12-letter words that match A_I_________. 6 are common words, such as AMIABILITIES and ANIMADVERTED. A rarer one is AXISYMMETRIC. 3 words contain a doubled letter.

Full list 24

amiabilitiesanimadvertedaristocraticarithmeticalavitaminosesavitaminosisacidimetriesalienabilityalimentationaminopyrinesaniseikoniasanisotropiesapiculturistarithmomancyaxiomatizingacidulationsamicablenessaminopterinsamitoticallyanilinctusesanisotropismaviculturistavitaminoticaxisymmetric

About this list

Words
24 (6 common words)
Common example
amiabilities
Rare example
axisymmetric
Doubled letters
3
Ending in S
11

Questions

How many 12-letter words matching a_i_________ are there?

24. 6 of them are common words.

What is a common example?

AMIABILITIES is among the common words in this set.