age vs dote

age is a noun but dote is not a noun.

Word	Noun	Adjective	Verb	Adverb
age	Yes	No	Yes	No
dote	No	No	Yes	No

As verbs, dote is a hyponym of age; that is, dote is a word with a more specific, narrower meaning than age:

Other hyponyms of age include turn, fossilise, fossilize.

age (noun)	dote (noun)
how long something has existed
a time of life (usually defined in years) at which some particular qualification or power arises
a late time of life
an era of history having some distinctive feature
a prolonged period of time

age (verb)	dote (verb)
grow old or older	shower with love; show excessive affection for
begin to seem older; get older	be foolish or senile due to old age
make older