Question

sort the words according to the meanings of their shared roots. oracle nonorally spheroid metalloid orifice oral mouth similar

Explanation:

The root - "or" is related to the mouth. "Oral" means related to the mouth, "orifice" can refer to an opening like a mouth - like opening, and "oracle" originally meant someone who spoke from the mouth as a divine messenger. Words with "-oid" mean similar or like. "Spheroid" means like a sphere, "metalloid" means like a metal, and "nonorally" is an adverb related to non - oral means but the root "or" still has the basic connection to the mouth concept in its base form.

Answer:

Mouth: oracle, orifice, oral
Similar: spheroid, metalloid, nonorally