1.
stubborn
2.
computer
3.
customer
4.
contribute
5.
budge
6.
barbecue
7.
union
8.
dispute
9.
community
10. uniform
11. smudge
12. custody
13. bugle
14. confuse
15. acute
16. insult
17. suffer
18. punish
19. accuse
20. result