What does Zahava mean?
Hebrew name from 'zahav' (זָהָב), the ordinary word for gold, meaning 'golden' or 'golden one'. Variants include Zehava, Zahavah. Literal metal sense.
What does Naava mean?
From Hebrew נָאוָה (na'avah) 'beautiful, comely, pleasant', as in the Song of Songs ('I am dark and beautiful'). The sense covers both 'beautiful' and 'pleasant/fitting'.