ARTH.
Swarth, forth, north.
ARVE.
Carve, starve.
AS.
(As in "was"), was, 'cos,§ poz.§ (As in "gas"), gas, lass, ass, alias. (As in "has"), has, as.
ASE, see ACE.
ASH.
(As in "ash"), ash, cash, dash, clash, crash, flash, gash, gnash, hash, lash, plash, bash,† pash,† brash,† rash, thrash, slash, trash, abash, etc. (As in "wash"), wash, bosh,§ squash,§ quash,¶ swash.†
ASK.