congeries vs conglomeration

congeries and conglomeration both are nouns.

Word	Noun	Adjective	Verb	Adverb
congeries	Yes	No	No	No
conglomeration	Yes	No	No	No

As nouns, congeries and conglomeration are synonyms defined as:

congeries and conglomeration: a sum total of many heterogenous things taken together

Other synonyms of congeries include aggregate.

congeries (noun)	conglomeration (noun)
a sum total of many heterogenous things taken together	an occurrence combining miscellaneous things into a (more or less) rounded mass
	a sum total of many heterogenous things taken together
	a rounded spherical form