Words That Rhyme With "Hexavalent" :
3 syllables:
assailant, bivalent, divalent, exhalant, inhalant, surveillant, tervalent, transcalent, trivalent
4 syllables:
monovalent, multivalent, octavalent, pentavalent, polyvalent, quadrivalent, quinquevalent, septivalent, sexavalent, sexavalent, sexivalent, tetravalent, univalent