15-Letter Words Containing: A,E,P,X

• an anti-inflammatory drug (trade name Tandearil) used to treat arthritis and bursitis

• a performance given extempore without planning or preparation

• the mental representation of sexual activities

• antibacterial substance that is a water-soluble powder used in antiseptic soaps and toothpaste

• Any member of the Paramyxoviridae family of negative-sense single-stranded RNA viruses responsible for a number of human and animal diseases.

• The fused head and thorax of spiders and crustaceans

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds