alco — A small South American dog, domesticated by the natives.
alto — An alto is a woman who has a low singing voice.
Three-syllable rhymes
chicago — a port in NE Illinois, on Lake Michigan: the third largest city in the US; it is a major railway and air traffic centre. Pop: 2 869 121 (2003 est)
Four-or-more syllable rhymes
palo alto — a city in W California, SE of San Francisco.