Word: 
Similar-sounding words in the dictionary:
3 letters:
hot
4 letters:
cots, dots, hans, hata, hats, hits, hops, huts, lats, lots, nots, pots, rots, hots
5 letters:
hates, heats, hoots, hurts, knots, potts, shots, watts
6 letters:
hearts, hotter
7 letters:
heights