liber-

(Latin: free)

Alenda lux ubi orta libertas.
Where light has arisen there liberty should be sustained.

Motto of Davidson College, Davidson, North Carolina, USA and Community College of Beaver County, Monaca, Pennsylvania, USA.

deliver
deliverance
deliverer
delivery
Ense petit placidam sub libertate quietam.
By the sword we seek peace but peace only under liberty.

State motto of Massachusetts, USA.; suggesting that military preparedness can ensure peace.

illiberal
illiberality
illiberally
liberal
liberalism
liberalist
liberality
liberalize
liberally