aft

he asked after her health 

aftergame

afters

agape

it took an age to get there

to be of age (to come...)

to be of full age (legal age)

age of criminal discretion

potent agent

cleaning agent

agglomerate

agglutination

aggravate

aggregate

aggressively inclined (if one is so inclined)

aggrieved

aghast

aglitter 

aglow

agnail

agog

agoraphobia 

let us agree to differ

to agree the terms (причем GRAMMARLY.COM не согласны)

oysters don't agree with me

agreeable (weather)

aigrette

ail

ailing

to disappear into thin air

to be up in the air (in abeyance)

to air the dog

airily