lychnis vs flower

lychnis and flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
lychnis	Yes	No	No	No
flower	Yes	No	Yes	No

As nouns, flower is a hypernym of lychnis; that is, flower is a word with a broader meaning than lychnis:

lychnis: mostly perennial herbs with sticky stems that catch insects; widespread in north temperate zone
flower: a plant cultivated for its blooms or blossoms

lychnis (noun)	flower (noun)
mostly perennial herbs with sticky stems that catch insects; widespread in north temperate zone	a plant cultivated for its blooms or blossoms
	reproductive organ of angiosperm plants especially one having showy or colorful parts
	the period of greatest prosperity or productivity

lychnis (verb)	flower (verb)
	produce or yield flowers