silky dogwood vs dogwood

silky dogwood and dogwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
silky dogwood	Yes	No	No	No
dogwood	Yes	No	No	No

As nouns, dogwood is a hypernym of silky dogwood; that is, dogwood is a word with a broader meaning than silky dogwood:

silky dogwood: shrub of eastern North America closely resembling silky cornel
dogwood: a tree of shrub of the genus Cornus often having showy bracts resembling flowers

Other hypernyms of silky dogwood include cornel, dogwood tree.

As nouns, dogwood is a hypernym of silky dogwood; that is, dogwood is a word with a broader meaning than silky dogwood:

silky dogwood: shrub of eastern North America having purplish stems and blue fruit
dogwood: a tree of shrub of the genus Cornus often having showy bracts resembling flowers

Other hypernyms of silky dogwood include cornel, dogwood tree.

silky dogwood (noun)	dogwood (noun)
shrub of eastern North America closely resembling silky cornel	a tree of shrub of the genus Cornus often having showy bracts resembling flowers
shrub of eastern North America having purplish stems and blue fruit	hard tough wood of any dogwood of the genus Cornus; resembles boxwood