conjugation vs synapse

conjugation and synapse both are nouns.

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

As nouns, synapse is a hyponym of conjugation; that is, synapse is a word with a more specific, narrower meaning than conjugation:

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

Other hyponyms of conjugation include anastomosis, inosculation.

conjugation (noun)	synapse (noun)
the act of pairing a male and female for reproductive purposes	the junction between two neurons (axon-to-dendrite) or between a neuron and a muscle
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