The phrase "drave out of mind" is an old-fashioned expression that means to forget completely. The spelling of "drave" is a past tense form of the verb "drive," which is pronounced /draɪv/. In Old English, the past tense of "drive" was "drāf" which became "drove" in modern English. "Drave" is an alternative past tense form that is no longer commonly used. The spelling of "out" and "mind" are straightforward and follow standard English spelling rules.