romanticism vs stardust

romanticism and stardust both are nouns.

Word	Noun	Adjective	Verb	Adverb
romanticism	Yes	No	No	No
stardust	Yes	No	No	No

As nouns, stardust is a hyponym of romanticism; that is, stardust is a word with a more specific, narrower meaning than romanticism:

romanticism: an exciting and mysterious quality (as of a heroic time or adventure)
stardust: a dreamy romantic or sentimental quality

romanticism (noun)	stardust (noun)
impractical romantic ideals and attitudes	a dreamy romantic or sentimental quality
an exciting and mysterious quality (as of a heroic time or adventure)