Arum maculatum vs lords-and-ladies

Arum maculatum and lords-and-ladies both are nouns.

Word	Noun	Adjective	Verb	Adverb
Arum maculatum	Yes	No	No	No
lords-and-ladies	Yes	No	No	No

As nouns, Arum maculatum and lords-and-ladies are synonyms defined as:

Arum maculatum and lords-and-ladies: common European arum with lanceolate spathe and short purple spadix; emerges in early spring; source of a starch called arum

Other synonyms of Arum maculatum include cuckoopint, jack-in-the-pulpit.

Arum maculatum (noun)	lords-and-ladies (noun)
common European arum with lanceolate spathe and short purple spadix; emerges in early spring; source of a starch called arum	common European arum with lanceolate spathe and short purple spadix; emerges in early spring; source of a starch called arum