crossbones vs symbolization

crossbones and symbolization both are nouns.

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

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

crossbones: two crossed bones (or a representation of two crossed bones) used as a symbol danger or death
symbolization: something visible that by association or convention represents something else that is invisible

Other hypernyms of crossbones include symbol, symbolic representation, symbolisation.

crossbones (noun)	symbolization (noun)
two crossed bones (or a representation of two crossed bones) used as a symbol danger or death	the practice of investing things with symbolic meaning
	something visible that by association or convention represents something else that is invisible
	the use of symbols to convey meaning