rose vs tea rose

rose and tea rose both are nouns.

Word	Noun	Adjective	Verb	Adverb
rose	Yes	Yes	No	No
tea rose	Yes	No	No	No

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

rose: any of many shrubs of the genus Rosa that bear roses
tea rose: any of several hybrid bush roses derived from a tea-scented Chinese rose with pink or yellow flowers

rose (noun)	tea rose (noun)
a dusty pink color	any of several hybrid bush roses derived from a tea-scented Chinese rose with pink or yellow flowers
pinkish table wine from red grapes whose skins were removed after fermentation began
any of many shrubs of the genus Rosa that bear roses

rose (adjective)	tea rose (adjective)
of something having a dusty purplish pink color