synapse vs colligation

synapse and colligation both are nouns.

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

As nouns, colligation is a hypernym of synapse; that is, colligation 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
colligation: the state of being joined together

Other hypernyms of synapse include conjugation, conjunction, junction.

synapse (noun)	colligation (noun)
the junction between two neurons (axon-to-dendrite) or between a neuron and a muscle	the connection of isolated facts by a general hypothesis
	the state of being joined together