Christmas box vs bakshish

Christmas box and bakshish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Christmas box	Yes	No	No	No
bakshish	Yes	No	No	No

As nouns, bakshish is a hypernym of Christmas box; that is, bakshish is a word with a broader meaning than Christmas box:

Christmas box: a present given at Christmas for services during the year
bakshish: a relatively small amount of money given for services rendered (as by a waiter)

Other hypernyms of Christmas box include backsheesh, baksheesh, bakshis, gratuity, pourboire, tip.

Christmas box (noun)	bakshish (noun)
a present given at Christmas for services during the year	a relatively small amount of money given for services rendered (as by a waiter)