15-Letter Words Containing: I,P,S,I,S

• a psychologist trained in psychophysics

• having an allergy or peculiar or excessive susceptibility (especially to a specific factor)

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

• To specialize to an excessive degree.

• make (an organism or substance) sensitive to the influence of radiant energy and especially light

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