fission vs agamogenesis

fission and agamogenesis both are nouns.

Word	Noun	Adjective	Verb	Adverb
fission	Yes	No	No	No
agamogenesis	Yes	No	No	No

As nouns, agamogenesis is a hypernym of fission; that is, agamogenesis is a word with a broader meaning than fission:

fission: reproduction of some unicellular organisms by division of the cell into two more or less equal parts
agamogenesis: reproduction without the fusion of gametes

Other hypernyms of fission include asexual reproduction.

fission (noun)	agamogenesis (noun)
a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy	reproduction without the fusion of gametes
reproduction of some unicellular organisms by division of the cell into two more or less equal parts