15-Letter Words Containing: _,A,E,E,N,N,P,T

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

• anti-inflammatory drug (trade name Butazolidin)

• a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8

• completely acceptable; not open to exception or reproach

• a genetic disorder of metabolism; lack of the enzyme needed to turn phenylalanine into tyrosine results in an accumulation of phenylalanine in the body fluids which causes various degrees of mental deficiency

• the testing of an idea

• the act of conducting a controlled test or investigation