Divergent

5. Mutual trust and friendship (noun)
7. Pitifully sad and abandoned or lonely (adjective)
8. Relating to deep inward feelings rather than to the intellect (adjective)
11. Sparing in the use of words, abrupt (adjective)
12. Either of two masses of grey matter lying between the cerebral hemispheres relaying sensory information and acting as a center for pain perception (noun)
13. Self-assertive in a rude, noisy, or overbearing way (adjective)
14. Too great to be overcome (adjective)
18. A mass departure of people (noun)
19. A friendly relationship (noun)
20. Quality of being honest (noun)

1. State of being homesick (adjective)
2. Roughly almond-shaped mass of grey matter inside each cerebral hemisphere, involved with the experiencing of emotions (noun)
3. Showing fearlessness (adjective)
4. To promote a belief or course of action (verb)
6. Tending to be different (adjective)
9. Away from the appropriate, planned or expected course (adverb & adjective)
10. A deep fissure in a surface (noun)
15. Deriving pleasure from inflicting pain (adjective)
16. The act of rejecting something (noun)
17. Showing great knowledge (adjective)