Pilgrim vs Pilgrim Father

Pilgrim and Pilgrim Father both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pilgrim	Yes	No	No	No
Pilgrim Father	Yes	No	No	No

As nouns, Pilgrim and Pilgrim Father are synonyms defined as:

Pilgrim and Pilgrim Father: one of the colonists from England who sailed to America on the Mayflower and founded the colony of Plymouth in New England in 1620

Pilgrim (noun)	Pilgrim Father (noun)
one of the colonists from England who sailed to America on the Mayflower and founded the colony of Plymouth in New England in 1620	one of the colonists from England who sailed to America on the Mayflower and founded the colony of Plymouth in New England in 1620