Letters that make four-dimensional
s, a, o, d, e, f, l, n, m, r, i, u are letters that make 'four-dimensional'
Words within four-dimensional
dime, dimension, Sion, si, men, FO, en, SI, dim, dimensional, on, four, Ur, AL, ME, Io, ion, Al, Si, Na are words within 'four-dimensional'