The answers to the following clues share a common link. Hmmmmm.....

-1. a homonym of a word meaning born
-2. rhymes with a source of nuclear energy
-3. is an anagram of a moon goddess
-4. a collection of supplementary materials on a report
-5. a type of tree
-6. an anagram of a word meaning desires or longs for
-7. the name of a certain pipe fitting
-8. a homonym of a word meaning stag
-9. a type of bean
-10. a synonym for confront
-11. a homonym of a word meaning recognizes
-12. a homonym of a word meaning oar
-13. a homonym of a word meaning pull
-14. a synonym of tolerate
-15. a certain young animal
-16. a homonym of a word meaning droll
-17. a synonym of tease
-18. a homonym of a pronoun
-19. word with motor or cheese
-20. word with chicken or plate