pus vs suppuration

pus and suppuration both are nouns.

Word	Noun	Adjective	Verb	Adverb
pus	Yes	No	No	No
suppuration	Yes	No	No	No

As nouns, pus and suppuration are synonyms defined as:

Other synonyms of pus include festering, ichor, purulence, sanies.

pus (noun)	suppuration (noun)
a fluid product of inflammation	a fluid product of inflammation
	(medicine) the formation of morbific matter in an abscess or a vesicle and the discharge of pus