different between exhibitionism vs voyeurism

English

exhibition +? -ism

exhibitionism (countable and uncountable, plural exhibitionisms)

The practice or character trait of deliberately drawing attention to oneself.
(pathology) The practice or character trait of deliberately displaying one's genitals, nipples, or buttocks in public.

From voyeur +? -ism

voyeurism (usually uncountable, plural voyeurisms)

The derivation of sexual satisfaction by watching people secretly, especially when those being watched are undressed or engaging in sexual activity.
(by extension) The derivation of satisfaction by obsessively watching or following sensational or sordid subjects.