grandma vs nan

grandma and nan both are nouns.

Word	Noun	Adjective	Verb	Adverb
grandma	Yes	No	No	No
nan	Yes	No	No	No

As nouns, grandma and nan are synonyms defined as:

Other synonyms of grandma include gran, grandmother, grannie, granny, nanna.

As nouns, nan is a hyponym of grandma; that is, nan is a word with a more specific, narrower meaning than grandma:

grandma (noun)	nan (noun)
the mother of your father or mother	leavened bread baked in a clay oven in India; usually shaped like a teardrop
	your grandmother
	the mother of your father or mother