scarab vs scarabaeus

scarab and scarabaeus both are nouns.

Word	Noun	Adjective	Verb	Adverb
scarab	Yes	No	No	No
scarabaeus	Yes	No	No	No

As nouns, scarab and scarabaeus are synonyms defined as:

scarab and scarabaeus: scarabaeid beetle considered divine by ancient Egyptians

Other synonyms of scarab include Scarabaeus sacer.

scarab (noun)	scarabaeus (noun)
scarabaeid beetle considered divine by ancient Egyptians	scarabaeid beetle considered divine by ancient Egyptians