oosphere vs gamete

oosphere and gamete both are nouns.

Word	Noun	Adjective	Verb	Adverb
oosphere	Yes	No	No	No
gamete	Yes	No	No	No

As nouns, gamete is a hypernym of oosphere; that is, gamete is a word with a broader meaning than oosphere:

oosphere: a gamete; used especially of lower plants
gamete: a mature sexual reproductive cell having a single set of unpaired chromosomes

oosphere (noun)	gamete (noun)
a gamete; used especially of lower plants	a mature sexual reproductive cell having a single set of unpaired chromosomes