heathland vs heath

heathland and heath both are nouns.

Word	Noun	Adjective	Verb	Adverb
heathland	Yes	No	No	No
heath	Yes	No	No	No

As nouns, heathland and heath are synonyms defined as:

heathland and heath: a tract of level wasteland; uncultivated land with sandy soil and scrubby vegetation

heathland (noun)	heath (noun)
a tract of level wasteland; uncultivated land with sandy soil and scrubby vegetation	a tract of level wasteland; uncultivated land with sandy soil and scrubby vegetation
	a low evergreen shrub of the family Ericaceae; has small bell-shaped pink or purple flowers