different between uncase vs uncask

English

un- +? case

uncase (third-person singular simple present uncases, present participle uncasing, simple past and past participle uncased)

(transitive) To take out of a case or covering; to uncover.
(transitive, obsolete) To strip; to flay.
(transitive, military) To display, or spread to view, as a flag, or the colors of a military body.

un- +? cask

uncask (third-person singular simple present uncasks, present participle uncasking, simple past and past participle uncasked)

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