colligation vs synapse

colligation and synapse both are nouns.

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

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

colligation: 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 colligation include anastomosis, inosculation.

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