meagreness vs sparsity

meagreness and sparsity both are nouns.

Word	Noun	Adjective	Verb	Adverb
meagreness	Yes	No	No	No
sparsity	Yes	No	No	No

As nouns, sparsity is a hyponym of meagreness; that is, sparsity is a word with a more specific, narrower meaning than meagreness:

Other hyponyms of meagreness include wateriness, abstemiousness, spareness, sparseness, thinness, thinness.

meagreness (noun)	sparsity (noun)
the quality of being meager	the property of being scanty or scattered; lacking denseness