rosemaling vs decoration

rosemaling and decoration both are nouns.

Word	Noun	Adjective	Verb	Adverb
rosemaling	Yes	No	No	No
decoration	Yes	No	No	No

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

rosemaling: a Scandinavian style of carved or painted decoration (as on furniture or walls or dinnerware) consisting of floral motifs
decoration: something used to beautify

Other hypernyms of rosemaling include ornament, ornamentation.

rosemaling (noun)	decoration (noun)
a Scandinavian style of carved or painted decoration (as on furniture or walls or dinnerware) consisting of floral motifs	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