Here are my opinions:

Final Fantasy vs. Dragon Quest II
Dragon Quest II
Final Fantasy II vs. Dragon Quest III
Final Fantasy II
Final Fantasy III vs. Dragon Quest IV
Dragon Quest IV
Final Fantasy V vs. Dragon Quest V
Dragon Quest V
Final Fantasy VI vs. Dragon Quest VI
Final Fantasy VI
Final Fantasy IX vs. Dragon Quest VII
Dragon Quest VII
Final Fantasy XII vs. Dragon Quest VIII
Dragon Quest VIII
Final Fantasy XIII vs. Dragon Quest IX
Dragon Quest IX