{Contentious} (philoneikos). Old adjective (philos,
neikos), fond of strife. Only here in N.T. If he only existed in
this instance, the disputatious brother. {Custom} (sun(8874)heian).
Old word from sun(8874)h(8873) (sun, (8874)hos), like Latin _consuetudo_,
intercourse, intimacy. In N.T. only here and  8:7  which see. "In
the sculptures of the catacombs the women have a close-fitting
head-dress, while the men have the hair short" (Vincent).