favor [favored, favoring, favors](to do a favor (noun sense 1) for; to show beneficence toward) verb [UK: ˈfeɪ.və(r)] [US: ˈfeɪ.vər]
oblige [obliged, obliging, obliges](to do someone a service or favour (hence, originally, creating an obligation)) verb [UK: ə.ˈblaɪdʒ] [US: ə.ˈblaɪdʒ]