SYN: Avowal, declaration, business, occupation, trade, calling, vocation, [See DECLARATION].
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KEY: Proffer.
SYN: Offer, propose, tender, volunteer.
ANT: Withhold, detain.
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KEY: Proficiency.
SYN: Success, advancement, progress, improvement, forwardness, dexterity.
ANT: Failure, backwardness, unsuccess, tardiness, relapse.
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