Here's what rhymes with opportioning.
portioning apportioning proportioning reapportioning Words that almost rhyme with opportioning
darkening pardoning hardening shortening gardening targeting sharpening heartening marshalling cautioning marshaling hearkening chortling cordoning harkening porpoising marketing broadening softening formatting bottling carpeting harnessing jostling toppling pocketing warbling warranting boggling parceling docketing stargazing joggling dowelling pommelling smartening bollocking pommeling shotgunning dolloping promising modeling vomiting disheartening forfeiting gossiping profiting quarreling fondling foreshortening hobbling marveling mottling wobbling coddling gobbling rocketing snorkeling waddling cobbling snorkelling starveling tobogganing goggling resharpening walloping lolloping trowelling twaddling foresting nobbling potholing stoppling harvesting conferencing swaddling throttling groveling blockbusting unharnessing afforesting deforesting remodeling squabbling swashbuckling telemarketing choreographing hydrolysing metamorphosing mollycoddling disafforesting teleconferencing videoconferencing