don vs father

don and father both are nouns.

Word	Noun	Adjective	Verb	Adverb
don	Yes	No	Yes	No
father	Yes	No	Yes	No

As nouns, don and father are synonyms defined as:

don (noun)	father (noun)
teacher at a university or college (especially at Cambridge or Oxford)	a male parent (also used as a term of address to your father)
the head of an organized crime family	the founder of a family
	a person who holds an important or distinguished position in some organization
	a person who founds or establishes some institution
	the head of an organized crime family

don (verb)	father (verb)
put clothing on one's body	make (offspring) by reproduction