sandwort vs genus Arenaria

sandwort and genus Arenaria both are nouns.

Word	Noun	Adjective	Verb	Adverb
sandwort	Yes	No	No	No
genus Arenaria	Yes	No	No	No

sandwort (noun)	genus Arenaria (noun)
low-growing chiefly perennial plant usually with small white flowers suitable for e.g. rock gardens	turnstones
low-growing herb having clusters of small white four-petaled flowers	sandworts
loosely matted plant with moss-like foliage studded with tiny starry four-petaled white blossoms; mountains of central and southern Europe