autonomic nervous system, an apple a day, bat an eye, bring one's arse to an anchor, eat an elephant one bite at a time, eye for an eye, have an eye for, in the wink of an eye, keep an eye peeled, keep an eye skinned, more...

against, excluding, outside, sans, without

ana, anode, anal, analgesic, analog, analogue, analogy, analytic, more...

a s,   the a,   a n,   a i,   n a,   a wa,   other words for the,   words ending with a,   a al,   a at the