synecdochic vs synecdoche

synecdochic is not a noun while synecdoche is a noun.

Word	Noun	Adjective	Verb	Adverb
synecdochic	No	Yes	No	No
synecdoche	Yes	No	No	No

synecdochic (noun)	synecdoche (noun)
	substituting a more inclusive term for a less inclusive one or vice versa

synecdochic (adjective)	synecdoche (adjective)
using the name of a part for that of the whole or the whole for the part; or the special for the general or the general for the special; or the material for the thing made of it