Synonyms and related words :
aggravate, alienate, bump heads, come between, confront, contend, contrapose, contraposit, contrast, counteract, disaffect, disunite, divide, estrange, face, fan the flame, front, irritate, lie opposite, light the fuse, make trouble, match, meet head-on, oppose, polarize, pose against, provoke, put in opposition, separate, set against, set at odds, set at variance, set on, set over against, sic on, sow dissension, stand opposed, stand opposite, stir up trouble, subtend