Needless rhymes with:
bloodless, boundless, childless, cloudless, cordless, endless, godless, groundless, headless, irregardless, landless, mccandless, mindless, regardless, trendless, windlass, wordless
Needless sounds like:
nadolski, natalle's, nautilus, nautilus's, needlelike, needles, netlike, nettles, nidal's, nodules, nonetheless, noodles