overseer vs superintendent

overseer and superintendent both are nouns.

Word	Noun	Adjective	Verb	Adverb
overseer	Yes	No	No	No
superintendent	Yes	No	No	No

As nouns, overseer and superintendent are synonyms defined as:

overseer and superintendent: a person who directs and manages an organization

overseer (noun)	superintendent (noun)
a person who directs and manages an organization	a person who directs and manages an organization
	a caretaker for an apartment house; represents the owner as janitor and rent collector