Letters that make weak interaction
a, o, e, k, n, c, r, t, i, w are letters that make 'weak interaction'
Words within weak interaction
ER, act, ti, te, Tera, ERA, NT, AC, inter, Ea, interact, weak, on, in, action, interaction, CT, RA, AK, IN, Io, ion, Ra, Ac, Er, In, Te, Ti, era are words within 'weak interaction'