plinth vs pedestal

plinth and pedestal both are nouns.

Word	Noun	Adjective	Verb	Adverb
plinth	Yes	No	No	No
pedestal	Yes	No	No	No

As nouns, plinth and pedestal are synonyms defined as:

plinth and pedestal: an architectural support or base (as for a column or statue)

Other synonyms of plinth include footstall.

plinth (noun)	pedestal (noun)
an architectural support or base (as for a column or statue)	a support or foundation
	an architectural support or base (as for a column or statue)
	a position of great esteem (and supposed superiority)