materia medica vs tincture

materia medica and tincture both are nouns.

Word	Noun	Adjective	Verb	Adverb
materia medica	Yes	No	No	No
tincture	Yes	No	Yes	No

materia medica (noun)	tincture (noun)
the science or study of drugs: their preparation and properties and uses and effects	(pharmacology) a medicine consisting of an extract in an alcohol solution
	a quality of a given color that differs slightly from another color
	an indication that something has been present
	a substance that colors or dyes

materia medica (verb)	tincture (verb)
	stain or tinge with a slight amount of a color
	fill, as with a certain quality