bingo vs lotto

bingo and lotto both are nouns.

Word	Noun	Adjective	Verb	Adverb
bingo	Yes	No	No	No
lotto	Yes	No	No	No

As nouns, bingo and lotto are synonyms defined as:

bingo and lotto: a game in which numbered balls are drawn at random and players cover the corresponding numbers on their cards

Other synonyms of bingo include beano, keno.

bingo (noun)	lotto (noun)
a game in which numbered balls are drawn at random and players cover the corresponding numbers on their cards	a game in which numbered balls are drawn at random and players cover the corresponding numbers on their cards