Discordia, Eris, abrading, abrasion, animosity, antagonism, antipathy, argument, attrition, backlash, bad blood, belligerence, bickering, caressing, chafing, clash, clashing, collision, competition, conflict, confutation, contention, contradiction, contraposition, contrariety, contrariness, controversy, counteraction, counterposition, counterworking, crankiness, cross-purposes, crotchetiness, despitefulness, disaccord, disaffinity, disagreement, discord, discordance, discordancy, disharmony, dispute, dissension, dissent, enmity, erosion, feeling, fingering, fractiousness, fretting, fricative, frictional, frottage, grating, handling, hate, hatred, hostility, ill feeling, ill will, incompatibility, incompatibleness, inharmoniousness, inharmony, inimicalness, interference, jangle, jar, kick, malevolence, malice, malignity, manipulation, mischief, negativeness, nonconformity, noncooperation, obstinacy, open conflict, opposition, opposure, oppugnance, oppugnancy, palpation, perverseness, petting, pressure, quarrelsomeness, reaction, recalcitrance, recoil, refractoriness, renitency, repercussion, repugnance, resistance, revolt, rivalry, rub, rubbing, scraping, spite, spitefulness, strained relations, strife, stroking, swimming upstream, tension, touching, uncooperativeness, unharmoniousness, unpleasantness, vying, wrangling