Question

sort the words according to the meanings of their shared roots. excavate tricorn cornucopia cavern concave cavernous horn hollow

Explanation:

To solve this, we analyze the roots:

• "horn" - Words with root related to "horn":
• tricorn: "tri-" (three) + "corn" (horn) → three - horned.
• cornucopia: "cornu" (horn) + "copia" (abundance) → horn - of - plenty.
• "hollow" - Words with root related to "hollow" (empty/ cavity):
• excavate: "ex-" (out) + "cav" (hollow) → dig out (from hollow).
• cavern: A large hollow space (cave).
• concave: Curved inward (hollow - shaped).
• cavernous: Like a cavern (hollow, spacious).

Answer:

horn: tricorn, cornucopia
hollow: excavate, cavern, concave, cavernous