15-Letter Words Containing: I,S,T,O,R,S

• an underactive thyroid gland; a glandular disorder resulting from insufficient production of thyroid hormones

• a therapist who deals with mental and emotional disorders

• the branch of psychiatry concerned with psychological methods

• the treatment of mental or emotional problems by psychological means

• greater than normal extension

• a stabilizer consisting of a heavy gyroscope that spins on a vertical axis; reduces side-to-side rolling of a ship or plane

• failure of one or both testes to move into the scrotum as the male fetus develops

• therapist who treats injury or dysfunction with exercises and other physical treatments of the disorder