oncidium vs dancing lady orchid

oncidium and dancing lady orchid both are nouns.

Word	Noun	Adjective	Verb	Adverb
oncidium	Yes	No	No	No
dancing lady orchid	Yes	No	No	No

As nouns, oncidium and dancing lady orchid are synonyms defined as:

oncidium and dancing lady orchid: any orchid of the genus Oncidium: characterized by slender branching sprays of small yellow and brown flowers; often grown as houseplants

Other synonyms of oncidium include butterfly orchid, butterfly plant.

oncidium (noun)	dancing lady orchid (noun)
any orchid of the genus Oncidium: characterized by slender branching sprays of small yellow and brown flowers; often grown as houseplants	any orchid of the genus Oncidium: characterized by slender branching sprays of small yellow and brown flowers; often grown as houseplants