half note vs minim

half note and minim both are nouns.

Word	Noun	Adjective	Verb	Adverb
half note	Yes	No	No	No
minim	Yes	No	No	No

As nouns, half note and minim are synonyms defined as:

half note and minim: a musical note having the time value of half a whole note

half note (noun)	minim (noun)
a musical note having the time value of half a whole note	a musical note having the time value of half a whole note
	a United States liquid unit equal to 1/60 fluidram
	a British imperial capacity measure (liquid or dry) equal to 1/60th fluid dram or 0.059194 cubic centimeters