Plugging rhymes with:
lugging, slugging, bugging, chugging, debugging, drugging, hugging, lugging, mugging, shrugging, slugging, snugging, tugging
Plugging sounds like:
pelagians, pelekunu's, pelican's, pelicans, pillaging, placencia, placing, plagens, plaguing, plaisance, plascencia, plasencia, pleasing, plucinski, plucking, policeman's, policing, polishing, polyconomics, polygamous, polygynous, publicizing, publishing, publishing's, publishings, pulsing