drachm vs dram

drachm and dram both are nouns.

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

As nouns, drachm and dram are synonyms defined as:

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

Other synonyms of drachm include drachma.

drachm (noun)	dram (noun)
a unit of apothecary weight equal to an eighth of an ounce or to 60 grains	the basic unit of money in Armenia
a unit of capacity or volume in the apothecary system equal to one eighth of a fluid ounce	1/16 ounce or 1.771 grams
a British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimeters	a unit of apothecary weight equal to an eighth of an ounce or to 60 grains