Yachts rhymes with:
allots, baatz, berlottes, blots, botts, botz, braatz, clots, cots, crotts, dots, dotts, gotts, gotz, grotz, hots, hotz, kaatz, klotz, knots, knott's, knotts, kotz, kraatz, krotz, lats, lot's, lots, lottes, lotts, lotz, mots, mott's, motts, motz, nots, notz, otts, plots, plotts, plotz, pot's, pots, potts, protz, raatz, rots, rotz, sadat's, schott's, scots, scott's, scotts, shots, shotts, slots, spots, spotts, squats, staats, stotts, stotz, surat's, tots, trots, watt's, watts, watz