What is another word for Back Up in english

The list of words which can be used for Back Up while creating sentence in english language. fall back recede, withdraw, back, draw back, recoil, retire retreat abandon spontaneity, freedom, thoughtlessness, recklessness withdraw advance leading, prior, first, earlier, early, foremost, previously champion unbeaten, undefeated, super, prime, superior, head, dandy confirm certify, uphold, affirm, verify, explain, substantiate encourage restore, inspire, strengthen, boost, embolden, reassure help advice, use, service, support, comfort, hand, benefit promote lend support pull for stand behind stand by 
Usage of Back Up in sentences
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