shittah vs shittah tree

shittah and shittah tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
shittah	Yes	No	No	No
shittah tree	Yes	No	No	No

As nouns, shittah and shittah tree are synonyms defined as:

shittah and shittah tree: source of a wood mentioned frequently in the Bible; probably a species of genus Acacia

shittah (noun)	shittah tree (noun)
source of a wood mentioned frequently in the Bible; probably a species of genus Acacia	source of a wood mentioned frequently in the Bible; probably a species of genus Acacia