decrepitude vs geezerhood

decrepitude and geezerhood both are nouns.

Word	Noun	Adjective	Verb	Adverb
decrepitude	Yes	No	No	No
geezerhood	Yes	No	No	No

As nouns, geezerhood is a hypernym of decrepitude; that is, geezerhood is a word with a broader meaning than decrepitude:

decrepitude: The quality or state of being wasted and weakened by or as if by the infirmities of old age.
geezerhood: a late time of life

Other hypernyms of decrepitude include age, eld, old age, years.

decrepitude (noun)	geezerhood (noun)
a state of deterioration due to old age or long use	a late time of life
The quality or state of being wasted and weakened by or as if by the infirmities of old age.