Common:
* Leftover: Remaining after something else has been used or consumed.
* Lefthand: On the side of the body opposite the right hand.
* Left-wing: A political position advocating for social and political change.
* Left-footed: A person who prefers to use their left foot in sports like soccer.
Less common:
* Leftward: Moving or directed towards the left.
* Leftmost: Situated furthest to the left.
* Left-handed: Using the left hand more easily than the right.
* Left-behind: Abandoned or forgotten.
* Left-field: Unexpected or unconventional, especially in a way that is surprising or amusing.
Figurative:
* Left-over: Something that is outdated or no longer relevant.
* Left-brain: The left side of the brain, which is often associated with logic and language.
* Left-to-right: The direction in which most languages are written and read.
These are just a few examples, and there may be other compound words with "left" in them depending on your definition of "compound word".