fellowship vs friendship

fellowship and friendship both are nouns.

Word	Noun	Adjective	Verb	Adverb
fellowship	Yes	No	No	No
friendship	Yes	No	No	No

As nouns, friendship is a hypernym of fellowship; that is, friendship is a word with a broader meaning than fellowship:

Other hypernyms of fellowship include friendly relationship.

fellowship (noun)	friendship (noun)
an association of people who share common beliefs or activities	the state of being friends (or friendly)
money granted (by a university or foundation or other agency) for advanced study or research
the state of being with someone