congress vs coming together

congress and coming together both are nouns.

Word	Noun	Adjective	Verb	Adverb
congress	Yes	No	No	No
coming together	Yes	No	No	No

As nouns, congress and coming together are synonyms defined as:

congress and coming together: the social act of assembling for some common purpose

Other synonyms of congress include meeting.

congress (noun)	coming together (noun)
the social act of assembling for some common purpose	the social act of assembling for some common purpose
a meeting of elected or appointed representatives	the act of joining together as one
a national legislative assembly