vehement
Pronunciation: /ˈviːɪm(ə)nt/
adjective

Origin:
late Middle English (describing pain or temperature, in the sense 'intense, high in degree'): from French véhément or Latin vehement- 'impetuous, violent', perhaps from an unrecorded adjective meaning 'deprived of mind', influenced by vehere 'carry'

Spelling help
The ending of vehement is -ent.