dominus vs domine

dominus and domine both are nouns.

Word	Noun	Adjective	Verb	Adverb
dominus	Yes	No	No	No
domine	Yes	No	No	No

As nouns, dominus and domine are synonyms defined as:

dominus and domine: a clergyman; especially a settled minister or parson

Other synonyms of dominus include dominee, dominie.

dominus (noun)	domine (noun)
a clergyman; especially a settled minister or parson	a clergyman; especially a settled minister or parson