orchil vs lecanora

orchil and lecanora both are nouns.

Word	Noun	Adjective	Verb	Adverb
orchil	Yes	No	No	No
lecanora	Yes	No	No	No

As nouns, lecanora is a hypernym of orchil; that is, lecanora is a word with a broader meaning than orchil:

orchil: any of various lecanoras that yield the dye archil
lecanora: any lichen of the genus Lecanora; some used in dyeing; some used for food

orchil (noun)	lecanora (noun)
any of various lecanoras that yield the dye archil	any lichen of the genus Lecanora; some used in dyeing; some used for food
a purplish dye obtained from orchil lichens