Clematis vitalba vs traveller's joy

Clematis vitalba and traveller's joy both are nouns.

Word	Noun	Adjective	Verb	Adverb
Clematis vitalba	Yes	No	No	No
traveller's joy	Yes	No	No	No

As nouns, Clematis vitalba and traveller's joy are synonyms defined as:

Clematis vitalba and traveller's joy: vigorous deciduous climber of Europe to Afghanistan and Lebanon having panicles of fragrant green-white flowers in summer and autumn

Other synonyms of Clematis vitalba include old man's beard, traveler's joy.

Clematis vitalba (noun)	traveller's joy (noun)
vigorous deciduous climber of Europe to Afghanistan and Lebanon having panicles of fragrant green-white flowers in summer and autumn	vigorous deciduous climber of Europe to Afghanistan and Lebanon having panicles of fragrant green-white flowers in summer and autumn