ruddles vs common marigold

ruddles and common marigold both are nouns.

Word	Noun	Adjective	Verb	Adverb
ruddles	Yes	No	No	No
common marigold	Yes	No	No	No

As nouns, ruddles and common marigold are synonyms defined as:

Other synonyms of ruddles include Calendula officinalis, pot marigold, Scotch marigold.

ruddles (noun)	common marigold (noun)
the common European annual marigold	the common European annual marigold