Word: 
Similar-sounding words in the dictionary:
4 letters:
rabi, robs
5 letters:
rabes, rob's, robbs, robby
6 letters:
hobbes, raab's, rabies, robb's, robbie, rubies, ruby's
7 letters:
bobby's, hobbies, lobbies, lobby's, robbers, rockies
8 letters:
robbie's
9 letters:
robberies