"Caesar's English lessons I-V Review": HTML5 Crossword

Across

4. stem meaning other (5)
7. Word meaning a quick, clever reply, usually a little rude or sassy (6)
10. Synonym for gloomy or sad (6)
11. word meaning charitable, kind, generous, of good will towards others (10)
14. stem meaning life (4)
16. word meaning ridicule, scorn, or mockery (8)
18. The stem used in the word "constellation" (5)
20. I __________ a lot of candy after trick-or-treating for 2 hours! (8)

Down

1. Meaning of the stem "sur," in words such as surface, surfiet, surreal (4)
2. stem meaning mother (5)
3. The stem "cent" means (10)
5. word meaning to appease, make calm, pacify (7)
6. If something is able to be heard, it is _________ (7)
8. word meaning to lie facedown (9)
9. stem meaning within (5)
12. word meaning full of life (9)
13. The stem "contra" means (7)
15. stem meaning father (5)
17. There is a _________ amount of candy around Halloween. (7)
19. stem meaning place (4)