throne vs flush toilet

throne and flush toilet both are nouns.

Word	Noun	Adjective	Verb	Adverb
throne	Yes	No	Yes	No
flush toilet	Yes	No	No	No

As nouns, flush toilet is a hyponym of throne; that is, flush toilet is a word with a more specific, narrower meaning than throne:

throne: a plumbing fixture for defecation and urination
flush toilet: a toilet that is cleaned of waste by the flow of water through it

Other hyponyms of throne include flushless toilet, lavatory, potty chair, potty seat.

throne (noun)	flush toilet (noun)
the position and power of an exalted person (a sovereign or bishop) who is entitled to sit in a chair of state on ceremonial occasions	a toilet that is cleaned of waste by the flow of water through it
the chair of state for a monarch, bishop, etc.
a plumbing fixture for defecation and urination

throne (verb)	flush toilet (verb)
put a monarch on the throne
sit on the throne as a ruler