grammatical category vs syntactic category

grammatical category and syntactic category both are nouns.

Word	Noun	Adjective	Verb	Adverb
grammatical category	Yes	No	No	No
syntactic category	Yes	No	No	No

As nouns, grammatical category and syntactic category are synonyms defined as:

grammatical category and syntactic category: (grammar) a category of words having the same grammatical properties

grammatical category (noun)	syntactic category (noun)
(grammar) a category of words having the same grammatical properties	(grammar) a category of words having the same grammatical properties