Guaiacum sanctum vs bastard lignum vitae

Guaiacum sanctum and bastard lignum vitae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Guaiacum sanctum	Yes	No	No	No
bastard lignum vitae	Yes	No	No	No

As nouns, Guaiacum sanctum and bastard lignum vitae are synonyms defined as:

Guaiacum sanctum and bastard lignum vitae: small evergreen tree of the southern United States and West Indies a source of lignum vitae wood

Guaiacum sanctum (noun)	bastard lignum vitae (noun)
small evergreen tree of the southern United States and West Indies a source of lignum vitae wood	small evergreen tree of the southern United States and West Indies a source of lignum vitae wood