Quit
Part of speech: verb
Definition: To pay (a debt, fine etc.). To repay, pay back (a good deed, injury etc.). To conduct oneself, acquit oneself, to behave (in a specified way). To abandon, renounce (a thing). To leave (a place). To resign from (a job, office, position, etc.). To stop, give up (an activity) (usually + gerund or verbal noun). To close (an application). To pay (a debt, fine etc.).
Example sentence: Effort only fully releases its reward after a person refuses to quit.
Foreswear
Part of speech: verb
Definition: Spelling variant of to forswear.