19-letter words containing p, r, e, l, i, t
- western yellow pine — ponderosa pine.
- winged spindle tree — a stiff, spreading shrub, Euonymus alata, of eastern Asia, having corky-winged twigs, yellowish flowers, and purplish fruit.
- wireless telegraphy — Now Rare. radiotelegraphy.
- xenotransplantation — xenograft.
- zenithal projection — a type of map projection in which part of the earth's surface is projected onto a plane tangential to it, either at one of the poles (polar zenithal), at the equator (equatorial zenithal), or between (oblique zenithal)