Topix rhymes with:
toothpicks, bolsheviks, broomsticks, candlesticks, celtics', chopsticks, comptronix, crucifix, cyrix, kubrick's, lipsticks, lunatics, marwick's, micronics, nightsticks, picnics, politics, politics', shandwick's, toothpicks, upticks, warwick's, yardsticks
Topix sounds like:
tabak, tabaka, tabasco, taboos, tabs, tabuchi, taipei's, tapas, tape's, tapeie's, tapes, tapias, taps, taubes, taves, tavis, tavish, tawfiq, tebbs, teves, tevis, thebes, thibeaux, thief's, thieves, thieves', tibbs, tiphook, tipps, tippy's, tips, tipsy, tobacco, tobacco's, tobaccos, toback, tobago, tobias, toby's, toops, toothpick, toothpicks, topaz, topeka, topeka's, topic, topics, topps, tops, topsy, toufexis, toups, tovaz, tubbs, tubes, tubs, tupac, typeface, typefaces, types, typhus, typifies