taxonomic category vs taxon

taxonomic category and taxon both are nouns.

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

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

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

Other synonyms of taxonomic category include taxonomic group.

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