osteomalacia vs demineralisation

osteomalacia and demineralisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
osteomalacia	Yes	No	No	No
demineralisation	Yes	No	No	No

osteomalacia (noun)	demineralisation (noun)
abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D	the removal of minerals and mineral salts from a liquid (especially from water)
	abnormal loss of mineral salts (especially from bone)