18-letter words containing s, p, i, r, a, n
- wild passionflower — the maypop, Passiflora incarnata.
- wilson's phalarope — a phalarope, Phalaropus tricolor, that breeds in the prairie regions of North America and winters in Argentina and Chile.
- women at point sur — a narrative poem (1927) by Robinson Jeffers.
- world championship — an international competition in a particular sport or activity for people all around the world