Letters that make pertinacious
s, a, o, e, n, p, c, r, t, i, u are letters that make 'pertinacious'
Words within pertinacious
ER, pe, ti, CIO, NAC, AC, IOU, Ci, ci, pert, in, tin, US, IN, Io, Ac, Er, In, Na, Ti, ERT are words within 'pertinacious'