13-letter words containing p, a, s, m
- wafflestomper — a shoe with a thick sole resembling a waffle
- water opossum — yapok.
- weapon system — a weapon and the components necessary to its proper function, such as targeting and guidance devices
- williams pear — a variety of pear that has large yellow juicy sweet fruit
- yachtsmanship — The ability or art of being adept at sailing a yacht.
- zoosporangium — a sporangium or spore case in which zoospores are produced.