solidus vs coin

solidus and coin both are nouns.

Word	Noun	Adjective	Verb	Adverb
solidus	Yes	No	No	No
coin	Yes	No	Yes	No

As nouns, coin is a hypernym of solidus; that is, coin is a word with a broader meaning than solidus:

solidus: a gold coin of the Byzantine Empire; widely circulated in Europe in the Middle Ages
coin: a flat metal piece (usually a disc) used as money

solidus (noun)	coin (noun)
a punctuation mark (/) used to separate related items of information	a flat metal piece (usually a disc) used as money
a gold coin of the Byzantine Empire; widely circulated in Europe in the Middle Ages

solidus (verb)	coin (verb)
	form by stamping, punching, or printing
	make up