1: ann=year
annals? ? ? ? ?
annalist
annual ~ annuity
biannual ~ seminnual
centennial (cent=100)分
2：audi = hear
auditorium
audible ~inaudible
audio-video
audit~auditor
3:ag=do
subagent
agential
agency
agenda
4:agri=field
agriculture
agrimotor~tractor
agrarian? ? ? ? agrarian form
agronomy
5:alt=high
altar? ? ? ? ? exalt ~exaltation? ?
altimeter? ? ?
alto
6:alter/ali=other? ? ? ? ? alter改變
alter ego?
alternative
alternate
alien
alias
7:am=love? ? ? ? ? amateur
amiable
amicable
amour ~ amorous? ? ? ? ? ? paramour
8:art=skill
artist? ? artistic
artifact? ? artificial? ? ? ? artisan
9:aug=increase
auction拍賣? auctioneer
augment? ? ? ? ? ? august 威嚴(yán)的
