Plotnick rhymes with:
blotnick, slotnick, zlotnick, blotnick, slotnick, subotnick, zlotnick, bartnick, bartnik, beatnik, blatnik, blotnick, bortnick, hutnick, mitnick, slotnick, sputnik, subotnick, sutnick, zlotnick
Plotnick sounds like:
paulding, pelting, piloting, plaiting, plateauing, plating, platinum's, platonic, platoons, plaything, playthings, pleading, pleadings, plodding, plotting, plutonic, politeness, polluting, populating, populations