Word: 
Similar-sounding words in the dictionary:
4 letters:
stac
5 letters:
stack
6 letters:
sacher, stac's, stacie, stacks, staker, stoker, tacker
7 letters:
slacker, stacked, staffer, stagger, stalker, stammer, stanger, stature, stecher, stecker, sticker, stocker, stucker
8 letters:
attacker, stoecker