Letters that make monovalent
a, o, e, l, n, m, t, v are letters that make 'monovalent'
Words within monovalent
Mon, OV, NT, VA, en, ale, Ono, mono, on, oval, valent, no, AL, MO, nova, vale, LE, Al, Mo, No, Nov, Lent, mo are words within 'monovalent'