a-      =  away

   (1)avert

assonance：vert

meaning：avoid ; turn away

example：he could only avert his eyes ; he had never seen such an ugly sigh.

(2)avocation

assonance：vocation

meaning：hobby;minor occupation   

example：there are professions, among the men, no more fevorable to  these

                 studies than the common avocations of women.