Winnowing rhymes with:
churchgoing, elbowing, farrowing, glassblowing, moviegoing, oceangoing, ongoing, outgoing, outgrowing, overflowing, overthrowing, seagoing, tiptoeing, torpedoing
Winnowing sounds like:
wahines, wainoco, wainoco's, wanek, wanes, wang, wang's, waning, wank, wanke, wanko, wanniski, wayans, wayne's, waynick, weaning, weems, weins, wenches, wenck, weng, wenge, wenig, wenk, wenke, wenning, wenz, wenzhou, whang, when's, whence, whims, whimsy, whines, whining, wiencek, wienecke, wieneke, wienke, wiens, wims, win's, winamac, winamac's, winans, winans's, wince, wincek, winch, wine's, wines, wing, wing's, winge, wingo, wings, wings', winick, winiecki, winik, wining, winings, wink, winkowski, winks, winnick, winnicki, winning, winnings, winooski, winos, wins, winski, wnek, wnuk, womac, womack, woman's, womanize, women's, womens', wommack, wong, wong's, wonk, wonks, wonksahachee, wooing, woong, wowing, wuensch, wunsch, wynes, wynn's, wynns, wyoming, wyoming's