throne vs lavatory

throne and lavatory both are nouns.

Word	Noun	Adjective	Verb	Adverb
throne	Yes	No	Yes	No
lavatory	Yes	No	No	No

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

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

throne (noun)	lavatory (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 room or building equipped with one or more toilets
the chair of state for a monarch, bishop, etc.	a bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face
a plumbing fixture for defecation and urination	a toilet that is cleaned of waste by the flow of water through it

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