drachma vs drachm

drachma and drachm both are nouns.

Word	Noun	Adjective	Verb	Adverb
drachma	Yes	No	No	No
drachm	Yes	No	No	No

As nouns, drachma and drachm are synonyms defined as:

drachma and drachm: a unit of apothecary weight equal to an eighth of an ounce or to 60 grains

Other synonyms of drachma include dram.

drachma (noun)	drachm (noun)
formerly the basic unit of money in Greece	a unit of apothecary weight equal to an eighth of an ounce or to 60 grains
a unit of apothecary weight equal to an eighth of an ounce or to 60 grains	a unit of capacity or volume in the apothecary system equal to one eighth of a fluid ounce
	a British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimeters