Croix de Guerre vs decoration

Croix de Guerre and decoration both are nouns.

Word	Noun	Adjective	Verb	Adverb
Croix de Guerre	Yes	No	No	No
decoration	Yes	No	No	No

As nouns, decoration is a hypernym of Croix de Guerre; that is, decoration is a word with a broader meaning than Croix de Guerre:

Croix de Guerre: a French military decoration for gallantry
decoration: an award for winning a championship or commemorating some other event

Other hypernyms of Croix de Guerre include laurel wreath, medal, medallion, palm, ribbon.

Croix de Guerre (noun)	decoration (noun)
a French military decoration for gallantry	the act of decorating something (in the hope of making it more attractive)
	something used to beautify
	an award for winning a championship or commemorating some other event