bureau vs lowboy

bureau and lowboy both are nouns.

Word	Noun	Adjective	Verb	Adverb
bureau	Yes	No	No	No
lowboy	Yes	No	No	No

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

Other hyponyms of bureau include chiffonier, commode, highboy, tallboy.

bureau (noun)	lowboy (noun)
furniture with drawers for keeping clothes	a low chest or table with drawers and supported on four legs
an administrative unit of government