tombola vs lottery

tombola and lottery both are nouns.

Word	Noun	Adjective	Verb	Adverb
tombola	Yes	No	No	No
lottery	Yes	No	No	No

As nouns, lottery is a hypernym of tombola; that is, lottery is a word with a broader meaning than tombola:

tombola: a lottery in which tickets are drawn from a revolving drum
lottery: players buy (or are given) chances and prizes are distributed by casting lots

Other hypernyms of tombola include drawing.

tombola (noun)	lottery (noun)
a lottery in which tickets are drawn from a revolving drum	players buy (or are given) chances and prizes are distributed by casting lots
	something that is regarded as a chance event