sideboard vs minibar

sideboard and minibar both are nouns.

Word	Noun	Adjective	Verb	Adverb
sideboard	Yes	No	No	No
minibar	Yes	No	No	No

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

sideboard: a piece of furniture that stands at the side of a dining room; has shelves and drawers
minibar: sideboard with compartments for holding bottles

Other hyponyms of sideboard include credence, credenza, cellaret.

sideboard (noun)	minibar (noun)
a piece of furniture that stands at the side of a dining room; has shelves and drawers	sideboard with compartments for holding bottles
a board that forms part of the side of a bed or crib
a removable board fitted on the side of a wagon to increase its capacity