share vs partake

share is a noun but partake is not a noun.

Word	Noun	Adjective	Verb	Adverb
share	Yes	No	Yes	No
partake	No	No	Yes	No

As verbs, share and partake are synonyms defined as:

Other synonyms of share include partake in.

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

Other hyponyms of share include osculate.

share (noun)	partake (noun)
the allotment of some amount by dividing something
the effort contributed by a person in bringing about a result
a sharp steel wedge that cuts loose the top layer of soil
assets belonging to or due to or contributed by an individual person or group
any of the equal portions into which the capital stock of a corporation is divided and ownership of which is evidenced by a stock certificate

share (verb)	partake (verb)
communicate	consume
give out as one's portion or share	have, give, or receive a share of
have, give, or receive a share of	have some of the qualities or attributes of something
use jointly or in common
have in common