13-Letter Words Containing: R,T,Y

• Study of animals whose existence has not been proven.

• the branch of psychiatry concerned with psychological methods

• the treatment of mental or emotional problems by psychological means

• (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids

• To introduce a hydroxyl group into a compound

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