leoncita vs lion marmoset

leoncita and lion marmoset both are nouns.

Word	Noun	Adjective	Verb	Adverb
leoncita	Yes	No	No	No
lion marmoset	Yes	No	No	No

As nouns, leoncita and lion marmoset are synonyms defined as:

leoncita and lion marmoset: small South American marmoset with silky fur and long nonprehensile tail

Other synonyms of leoncita include lion monkey, tamarin.

leoncita (noun)	lion marmoset (noun)
small South American marmoset with silky fur and long nonprehensile tail	small South American marmoset with silky fur and long nonprehensile tail