1) Bandied words 2) Bickered 3) Contested with words 4) Engaged in a war of the words 5) Engaged in repartee 6) Fought 7) Practiced in the ring 8) Practiced judo 9) Practiced karate 10) Practiced pugilism 11) Shadowboxed 12) Traded digs 13) Trained in the ring 14) Trained to box 15) Trained with a pug 
• (imp. & p. p.) of Spar