contemporaneity vs conjunction

contemporaneity and conjunction both are nouns.

Word	Noun	Adjective	Verb	Adverb
contemporaneity	Yes	No	No	No
conjunction	Yes	No	No	No

As nouns, conjunction is a hypernym of contemporaneity; that is, conjunction is a word with a broader meaning than contemporaneity:

Other hypernyms of contemporaneity include co-occurrence, coincidence, concurrence.

contemporaneity (noun)	conjunction (noun)
the quality of being current or of the present	something that joins or connects
the quality of belonging to the same period of time	the temporal property of two things happening at the same time
	an uninflected function word that serves to conjoin words or phrases or clauses or sentences
	(astronomy) apparent meeting or passing of two or more celestial bodies in the same degree of the zodiac
	the grammatical relation between linguistic units (words or phrases or clauses) that are connected by a conjunction
	the state of being joined together