symbolization vs signification

symbolization and signification both are nouns.

Word	Noun	Adjective	Verb	Adverb
symbolization	Yes	No	No	No
signification	Yes	No	No	No

As nouns, signification is a hypernym of symbolization; that is, signification is a word with a broader meaning than symbolization:

Other hypernyms of symbolization include import, meaning, significance.

symbolization (noun)	signification (noun)
the practice of investing things with symbolic meaning	the message that is intended or expressed or signified
something visible that by association or convention represents something else that is invisible
the use of symbols to convey meaning