neg-, ne-

(Latin: no, not; to refuse, to nullify; to deny)

renege
runagate
1. A fugitive or runaway.
2. A vagabond or wanderer.
3. A renegade or deserter.
Testmoignes ne poent testifier le negative, mes l'affirmative
Witnesses cannot testify to a negative; they must testify to an affirmative.
undeniable
undeniably