Hints on remaining 3:
3: eroo ooer (10) : answer is slang for "change"
6: petit , pet-- (3,3,2,2,3,3,4) : 1st word = "now" , last is like abc'd
7: relax, relav (5,4,4) : 1st word = relax
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I'm a man of few words...but I use them often!