taxonomic group vs taxonomic category

taxonomic group and taxonomic category both are nouns.

Word	Noun	Adjective	Verb	Adverb
taxonomic group	Yes	No	No	No
taxonomic category	Yes	No	No	No

As nouns, taxonomic group and taxonomic category are synonyms defined as:

taxonomic group and taxonomic category: animal or plant group having natural relations

Other synonyms of taxonomic group include taxon.

taxonomic group (noun)	taxonomic category (noun)
animal or plant group having natural relations	animal or plant group having natural relations