Jacob's ladder vs Polemonium van-bruntiae

Jacob's ladder and Polemonium van-bruntiae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jacob's ladder	Yes	No	No	No
Polemonium van-bruntiae	Yes	No	No	No

As nouns, Jacob's ladder and Polemonium van-bruntiae are synonyms defined as:

Jacob's ladder and Polemonium van-bruntiae: pinnate-leaved European perennial having bright blue or white flowers

Other synonyms of Jacob's ladder include charity, Greek valerian, Polemonium caeruleum, Polymonium caeruleum van-bruntiae.

Jacob's ladder (noun)	Polemonium van-bruntiae (noun)
(nautical) a hanging ladder of ropes or chains supporting wooden or metal rungs or steps	pinnate-leaved European perennial having bright blue or white flowers
pinnate-leaved European perennial having bright blue or white flowers