scarab vs Scarabaeus sacer

scarab and Scarabaeus sacer both are nouns.

Word	Noun	Adjective	Verb	Adverb
scarab	Yes	No	No	No
Scarabaeus sacer	Yes	No	No	No

As nouns, scarab and Scarabaeus sacer are synonyms defined as:

scarab and Scarabaeus sacer: scarabaeid beetle considered divine by ancient Egyptians

Other synonyms of scarab include scarabaeus.

scarab (noun)	Scarabaeus sacer (noun)
scarabaeid beetle considered divine by ancient Egyptians	scarabaeid beetle considered divine by ancient Egyptians