synapse vs conjugation

synapse and conjugation both are nouns.

Word	Noun	Adjective	Verb	Adverb
synapse	Yes	No	No	No
conjugation	Yes	No	No	No

As nouns, conjugation is a hypernym of synapse; that is, conjugation is a word with a broader meaning than synapse:

synapse: the junction between two neurons (axon-to-dendrite) or between a neuron and a muscle
conjugation: the state of being joined together

Other hypernyms of synapse include colligation, conjunction, junction.

synapse (noun)	conjugation (noun)
the junction between two neurons (axon-to-dendrite) or between a neuron and a muscle	the act of pairing a male and female for reproductive purposes
	the act of making or becoming a single unit
	a class of verbs having the same inflectional forms
	the complete set of inflected forms of a verb
	the inflection of verbs
	the state of being joined together