conglomeration vs sum total

conglomeration and sum total both are nouns.

Word	Noun	Adjective	Verb	Adverb
conglomeration	Yes	No	No	No
sum total	Yes	No	No	No

As nouns, sum total is a hypernym of conglomeration; that is, sum total is a word with a broader meaning than conglomeration:

Other hypernyms of conglomeration include sum, summation.

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