neuromuscular junction vs myoneural junction

neuromuscular junction and myoneural junction both are nouns.

Word	Noun	Adjective	Verb	Adverb
neuromuscular junction	Yes	No	No	No
myoneural junction	Yes	No	No	No

As nouns, neuromuscular junction and myoneural junction are synonyms defined as:

neuromuscular junction and myoneural junction: the junction between a nerve fiber and the muscle it supplies

neuromuscular junction (noun)	myoneural junction (noun)
the junction between a nerve fiber and the muscle it supplies	the junction between a nerve fiber and the muscle it supplies