Melanesians rhymes with:
lesions, abrasions, allusions, asians, aspersions, aversions, cablevision's, caucasians, collisions, conclusions, confusions, contusions, conversion's, conversions, decision's, decisions, delusions, diversions, division's, divisions, divisions', envisions, equations, evasions, exclusions, excursions, explosions, illusions, incisions, inclusions, incursions, infusions, intrusions, invasions, lesions, malaysians, occasions, persians, persuasions, provisions, recisions, rescissions, revisions, subdivisions, television's, televisions, transfusions, versions, vision's, visions