Letters that make unregenerate
a, e, g, n, r, t, u are letters that make 'unregenerate'
Words within unregenerate
ER, rate, gene, gen, re, te, ERA, UN, at, en, generate, ENE, regenerate, rat, RA, NE, Ra, Re, Ate, At, Er, Ge, Ne, Te, era are words within 'unregenerate'