The term "end service" refers to the conclusion of an employment period or contractual agreement. Some of the antonyms for this term include "begin service," "start work," "sign a contract," and "commence employment." Other antonyms include "continue service," "extend employment," and "renew contract," which indicate a continuation or prolonging of a working relationship. Additionally, "switch jobs," "resign," and "quit" can also be antonyms for "end service" as they may signify the termination of a job or agreement, but with the intention of starting or continuing elsewhere. Overall, the antonyms for "end service" indicate a range of possibilities for the beginning, continuation, or conclusion of work-related agreements or employment.