hollyhock vs althaea

hollyhock and althaea both are nouns.

Word	Noun	Adjective	Verb	Adverb
hollyhock	Yes	No	No	No
althaea	Yes	No	No	No

As nouns, hollyhock and althaea are synonyms defined as:

hollyhock and althaea: any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea

Other synonyms of hollyhock include althea.

hollyhock (noun)	althaea (noun)
any of various tall plants of the genus Alcea; native to the Middle East but widely naturalized and cultivated for its very large variously colored flowers	any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea
any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea