| COMPOTATORS | • compotators n. Plural of compotator. • COMPOTATOR n. one who drinks with another. |
| COOPTATIONS | • cooptations n. Plural of cooptation. • co-optations n. Plural of co-optation. • COOPTATION n. the act of coopting, also COOPTION. |
| MOTORSPORTS | • motorsports n. Plural of motorsport. |
| OCTOTHORPES | • octothorpes n. Plural of octothorpe. |
| OPTOLOGISTS | • optologists n. Plural of optologist. • OPTOLOGIST n. an optician. |
| PHOTOLITHOS | • PHOTOLITHO n. (short for) a photolithograph. |
| PHOTOSHOOTS | • photoshoots n. Plural of photoshoot. • photo␣shoots n. Plural of photo shoot. • PHOTOSHOOT n. a session in which a photographer takes pictures of a celebrity, etc. |
| PHOTOTROPES | • PHOTOTROPE n. a substance exhibiting phototropism, movement directed by light. |
| PHOTOTROPHS | • phototrophs n. Plural of phototroph. • PHOTOTROPH n. a plant which uses light to generate energy needed to absorb nutrients. |
| POLYCOTTONS | • polycottons n. Plural of polycotton. • POLYCOTTON n. a synthetic fabric. |
| PROTOCOLIST | • protocolist n. One who draws up protocols. • PROTOCOLIST n. a registrar or clerk. |
| PROTOSTOMES | • protostomes n. Plural of protostome. • PROTOSTOME n. a major group of bilateral metazoan animals, that includes mollusks and annelids. |
| PROTOTROPHS | • prototrophs n. Plural of prototroph. • PROTOTROPH n. a bacterium feeding only on inorganic matter. |
| STOMATOPODS | • stomatopods n. Plural of stomatopod. • STOMATOPOD n. one of the Stomatopoda, marine crustaceans, including the squilla. |
| TOPOLOGISTS | • topologists n. Plural of topologist. • TOPOLOGIST n. one who studies topology. |