1. Envy
2. Covetousness
3. Avarice
4. Grudge
5. Animosity
6. Rivalry
7. Possessiveness
8. Resentment
9. Apprehension
10. Suspicion
11. Insecurity
12. Jealousness
13. Pique
14. Rancor
15. Discontent
16. Animus
17. Acrimony
18. Hostility
19. Ingratitude
20. Animadversion
21. Jaundice
22. Gloom
23. Exclusion
24. Cynicism
25. Invective
26. Bitterness
27. Malice
28. Contempt
29. Displeasure
30. Animosity

When searching for another word for jealousy, there are many ideas to consider. The best synonyms for jealousy are envy, covetousness, avarice, grudge, animosity, rivalry, possessiveness, resentment, apprehension, suspicion, insecurity, pique, rancor, discontent, animus, acrimony, hostility, ingratitude, animadversion, jaundice, gloom, exclusion, cynicism, invective, bitterness, malice, contempt, displeasure, and animosity. Each of these words has its own unique connotation and can be used to describe varied levels of jealousy. Depending on the context, one of these words may be the best fit for what you are trying to express.