Harbored rhymes with:
starboard, starboard, belabored, blackbird, chambered, clambered, clinkenbeard, clobbered, cupboard, dismembered, encumbered, hebard, hibbard, hibberd, hubbard, hulbard, hulburd, labombard, labored, lumbard, membered, misremembered, numbered, outnumbered, remembered, rothbard, scabbard, sobered, starboard, unencumbered
Harbored sounds like:
harbert, harford, harvard, herbert, hereford, herford, herfurth, hurford