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

• an antihistamine (trade name Periactin) used to treat some allergic reactions

• refutation by example

• an organic compound of creatine and phosphoric acid; found in the muscles of vertebrates where its hydrolysis releases energy for muscular contraction

• Any receptor that provides an organism with information about mechanical changes in its environment, such as movement, tension and pressure

• the position of apprentice

• a relation between two opposite states or principles that together exhaust the possibilities

• the interrelation of reciprocity whereby one thing supplements or depends on the other