genus Haematoxylum vs genus Haematoxylon

genus Haematoxylum and genus Haematoxylon both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Haematoxylum	Yes	No	No	No
genus Haematoxylon	Yes	No	No	No

As nouns, genus Haematoxylum and genus Haematoxylon are synonyms defined as:

genus Haematoxylum and genus Haematoxylon: small genus of tropical American spiny bushy shrubs or trees

Other synonyms of genus Haematoxylum include Haematoxylon, Haematoxylum.

genus Haematoxylum (noun)	genus Haematoxylon (noun)
small genus of tropical American spiny bushy shrubs or trees	small genus of tropical American spiny bushy shrubs or trees