lithops vs stone plant

lithops and stone plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
lithops	Yes	No	No	No
stone plant	Yes	No	No	No

As nouns, lithops and stone plant are synonyms defined as:

lithops and stone plant: any plant of the genus Lithops native to Africa having solitary yellow or white flowers and thick leaves that resemble stones

Other synonyms of lithops include flowering stone, living stone, stone-face, stone life face, stoneface.

lithops (noun)	stone plant (noun)
any plant of the genus Lithops native to Africa having solitary yellow or white flowers and thick leaves that resemble stones	any plant of the genus Lithops native to Africa having solitary yellow or white flowers and thick leaves that resemble stones