Letters that make downward-sloping
s, a, o, d, g, l, n, p, r, i, w are letters that make 'downward-sloping'
Words within downward-sloping
ward, PI, DO, slop, do, PIN, ping, SL, Down, Ward, pi, ar, ng, lop, own, downward, WA, WNW, NW, war, down, sloping, in, pin, AR, IN, Ping, Ar, In are words within 'downward-sloping'