Calluna vs ling

Calluna and ling both are nouns.

Word	Noun	Adjective	Verb	Adverb
Calluna	Yes	No	No	No
ling	Yes	No	No	No

Calluna (noun)	ling (noun)
a genus containing the species Calluna vulgaris (Calluna)	elongated marine food fish of Greenland and northern Europe; often salted and dried
	American hakes
	elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth
	common Old World heath represented by many varieties; low evergreen grown widely in the Northern Hemisphere
	water chestnut whose spiny fruit has two rather than 4 prongs