mocha vs java

mocha and java both are nouns.

Word	Noun	Adjective	Verb	Adverb
mocha	Yes	No	No	No
java	Yes	No	No	No

As nouns, java is a hypernym of mocha; that is, java is a word with a broader meaning than mocha:

Other hypernyms of mocha include coffee.

mocha (noun)	java (noun)
a dark brown color	a beverage consisting of an infusion of ground coffee beans
a superior dark coffee made from beans from Arabia
a flavoring made from coffee mixed with chocolate
soft suede glove leather from goatskin