Northstar's rhymes with:
aerostar's, aerostars, minstar's, morningstar's, windstar's, aerostar's, aerostars, avatars, hectares, minstar's, morningstar's, windstar's
aerostar's, aerostars, minstar's, morningstar's, windstar's, aerostar's, aerostars, avatars, hectares, minstar's, morningstar's, windstar's