verbs
deny oneself (something); restrain, especially from indulging in some pleasure
"She denied herself wine and spirits"
surrender (power or a position)
"The King abnegated his power to the ministers"
is a type of (narrower)
give up or agree to forgo to the power or possession of another
"The last Taleban fighters finally surrendered"
deny or renounce
"They abnegated their gods"
is a type of (narrower)
refuse to accept or believe
"He denied his fatal illness"