tamarin vs lion monkey

tamarin and lion monkey both are nouns.

Word	Noun	Adjective	Verb	Adverb
tamarin	Yes	No	No	No
lion monkey	Yes	No	No	No

As nouns, tamarin and lion monkey are synonyms defined as:

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

Other synonyms of tamarin include leoncita, lion marmoset.

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