Heaving rhymes with:
achieving, believing, conceiving, deceiving, disbelieving, geving, grieving, interleaving, interweaving, leaving, misconceiving, perceiving, receiving, relieving, retrieving, self-deceiving, thieving, unbelieving, weaving
Heaving sounds like:
haifong, happening, happenings, happens, happiness, havana's, havens, having, havins, heaping, heaven's, heavens, hibbing, hipbones, hobbing, hobbins, hoffman's, hoping, hopping, hovanec, hovhaness, hoving, huffines, huffing, hyping, hypnosis, hyponex