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

• Any member of the Paramyxoviridae family of negative-sense single-stranded RNA viruses responsible for a number of human and animal diseases.

• the posterior lobe of the pituitary body; primarily glandular in nature

• To specialize to an excessive degree.

• 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

• become professional or proceed in a professional manner or in an activity for pay or as a means of livelihood

• make professional or give a professional character to