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

• 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

• 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