Letters that make diagrammatical
a, d, g, l, c, m, r, t, i are letters that make 'diagrammatical'
Words within diagrammatical
diagram, RAM, AM, MA, MAT, ti, IC, DIA, ma, Gram, Ag, gramma, tical, at, mA, gram, mm, mat, grammatical, diagrammatic, ic, grammatic, ram, RA, Agra, AL, CA, IA, Ra, Ram, tic, Al, Am, At, Ca, Ti are words within 'diagrammatical'