demineralisation vs osteomalacia

demineralisation and osteomalacia both are nouns.

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

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