late 14c., rehersaille, "restatement, repetition of the words of another; account, narration," from rehearse + -al (2), or from Old French rehearsal "a repeating." Sense in theater and music, "act or process of studying by practice or preparatory exercise, a meeting of musical or dramatic performers for practice and study together" is from 1570s. A play being in rehearsal is from 1709. Pre-wedding rehearsal dinner attested by 1953.

c. 1200, robberie, "the act, practice, or occupation of stealing or plundering," from Old French roberie "robbery, theft," from rober "to rob" (see rob).

"principal or practice of corporate organization," 1880, from corporate + -ism. Used over the years in various senses of corporate; in 1920s-30s often with reference to fascist collectivism.

"art or practice of beauty culture," 1855, from French cosmétologie, from Latinized form of Greek kosmetos "well-ordered," from kosmein "to arrange, adorn," from kosmos "order; ornament" (see cosmos) + -ology.

"one who is self-dedicated to a cause or practice," 1640s, from devote, with a French suffix, perhaps on model of assignee. Earlier in this sense was devote (1620s).

"act or practice of being 'one up,'" 1952, from noun phrase one up "scoring one more point than one's opponent" (1919) + ending from sportsmanship, etc.

"methods of a charlatan," 1804, from French charlatanisme; see charlatan + -ism. OED describes synonym charlatanry (1630s) as "More contemptuous ... and referring more to actual practice."