scarabaean vs scarabaeid

scarabaean and scarabaeid both are nouns.

Word	Noun	Adjective	Verb	Adverb
scarabaean	Yes	No	No	No
scarabaeid	Yes	No	No	No

As nouns, scarabaean and scarabaeid are synonyms defined as:

scarabaean and scarabaeid: any of numerous species of stout-bodied beetles having heads with horny spikes

Other synonyms of scarabaean include scarabaeid beetle.

scarabaean (noun)	scarabaeid (noun)
any of numerous species of stout-bodied beetles having heads with horny spikes	any of numerous species of stout-bodied beetles having heads with horny spikes