Question

sort the words according to the meanings of their shared roots.
disarm subterranean subjugate
armada submerge armadillo
shield below

Explanation:

• disarm: The root "arm" means "weapon" or "shield". "Disarm" means to take away weapons (shields in a sense of protection).
• armada: It refers to a large fleet of ships, originally associated with armed ships (related to "arm" - shield/weapon concept).
• armadillo: The name comes from Spanish, meaning "little armored one" (related to "arm" - shield concept).
• subterranean: The prefix "sub - " means "below". "Subterranean" means below the earth's surface.
• subjugate: The prefix "sub - " means "below". "Subjugate" means to bring under control (make someone/something below in a power sense).
• submerge: The prefix "sub - " means "below". "Submerge" means to put or go below the surface of water.

Answer:

• shield: disarm, armada, armadillo
• below: subterranean, subjugate, submerge