IPA: /rɪˈnɪtənsi/
KK: /rɛnɪtənsɪ/
A state of being unwilling to accept or comply with something, often showing a moral or physical resistance.
His renitency to follow the rules caused problems in the group project.
Renitency → It is formed from "re-" (meaning back or again) and "nitere" (meaning to strive or to struggle). The word describes the quality of resisting or struggling back against something.
Think of 'striving back' ('re-') against something — that's what renitency means.