pinche vs leoncita

pinche and leoncita both are nouns.

Word	Noun	Adjective	Verb	Adverb
pinche	Yes	No	No	No
leoncita	Yes	No	No	No

As nouns, leoncita is a hypernym of pinche; that is, leoncita is a word with a broader meaning than pinche:

pinche: South American tamarin with a tufted head
leoncita: small South American marmoset with silky fur and long nonprehensile tail

Other hypernyms of pinche include lion marmoset, lion monkey, tamarin.

pinche (noun)	leoncita (noun)
South American tamarin with a tufted head	small South American marmoset with silky fur and long nonprehensile tail