What is the root words for the words below

1. Perturb
2. Enunciate
3. Erudite
4. Flourish
5. Excavate
6. Denounce
7. Efflorescence
8. Turbulence
9. Rudimentary
10. Florid
11. Cavernous
12. Disturbance

1. Turb

2. Nunc
3. Rud
4. Flor
5. Cave
6. Nounce
7. Flores
8. Turb
9. Rud
10. Flor
11. Cave
12. Turb