microsporophyll vs sporophyll

microsporophyll and sporophyll both are nouns.

Word	Noun	Adjective	Verb	Adverb
microsporophyll	Yes	No	No	No
sporophyll	Yes	No	No	No

As nouns, sporophyll is a hypernym of microsporophyll; that is, sporophyll is a word with a broader meaning than microsporophyll:

microsporophyll: in non-flowering plants, a sporophyll that bears only microsporangia
sporophyll: leaf in ferns and mosses that bears the sporangia

Other hypernyms of microsporophyll include sporophyl.

microsporophyll (noun)	sporophyll (noun)
in non-flowering plants, a sporophyll that bears only microsporangia	leaf in ferns and mosses that bears the sporangia