socle vs pedestal

socle and pedestal both are nouns.

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

As nouns, pedestal is a hypernym of socle; that is, pedestal is a word with a broader meaning than socle:

Other hypernyms of socle include footstall, plinth.

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