What's the difference between chiliad and chilian?

Chiliad

Definition:

• (n.) A thousand; the aggregate of a thousand things; especially, a period of a thousand years.

Example Sentences:

• (1) Driving to a violent heist with Don Johnson's Heartbeat playing on the radio, the freeway clear before you; flying a crop-dusting plane up the contour of Mount Chiliad, so that you reach the peak just as the red sun falls, sending rainbows of lens flare through your cockpit screen; clipping a police car during a chase, sending your own vehicle spinning off the overpass onto the roof of an liquor store.

Chilian

Definition:

• (a.) Of or pertaining to Chili.
• (n.) A native or citizen of Chili.
• (n.) Alt. of Chiliarch

Example Sentences:

• (1) Here they are, rounded up: Chilian fans who broke into the Maracana media centre sit after being stopped by security.