Mantra rhymes with:
contra, intra, kontra, sentra, altra, artra, astra, atra, balestra, batra, boonstra, bostra, bumiputra, chitra, cleopatra, cometra, contra, costra, dextra, dutra, dykstra, electra, elektra, extra, feenstra, hamstra, heemstra, heidstra, hiemstra, hoekstra, hofstra, hukstra, hydstra, intra, kamstra, kontra, kooistra, kustra, lastra, licitra, maestra, maitre, malhotra, matra, metra, mitra, nicotra, nostra, notre, olestra, orchestra, petra, poitra, rienstra, sartre, sentra, sinatra, spectra, spoelstra, sumatra, tatra, telettra, telstra, terpstra, tetra, tuinstra, ultra, veenstra, westra, xtra, zandstra, zylstra
Mantra sounds like:
madar, madara, madder, madeira, mader, madera, madere, madero, madora, madore, madra, madre, madry, maeder, mahathir, mahindra, mahtar, maitre, mandatory, mander, manteer, manter, matador, mateer, mater, matera, mather, mathur, matra, matter, mattera, mature, maturo, mayweather, meader, meador, meander, meatier, medar, meder, mediator, medora, meeder, menter, mentor, metairie, meteor, meter, metier, metoyer, metra, metre, metro, metter, mettur, midair, midura, midyear, minder, miniature, minteer, minter, mintier, miter, mitra, mitre, mitro, moder, modrow, momentary, mondadori, mondor, mondry, monetary, monitor, monteiro, monter, monterey, montero, monterrey, montier, montroy, montuori, mother, motor, motter, moudry, moutray, muddier, mudra, mudry, munter, mutter