animal kingdom vs Animalia

animal kingdom and Animalia both are nouns.

Word	Noun	Adjective	Verb	Adverb
animal kingdom	Yes	No	No	No
Animalia	Yes	No	No	No

As nouns, animal kingdom and Animalia are synonyms defined as:

animal kingdom and Animalia: taxonomic kingdom comprising all living or extinct animals

Other synonyms of animal kingdom include kingdom Animalia.

animal kingdom (noun)	Animalia (noun)
taxonomic kingdom comprising all living or extinct animals	taxonomic kingdom comprising all living or extinct animals