"inheriting liberty," mid-14c., from free (adj.) + born. Old English had freolic (adj.) "free, free-born; glorious, magnificent, noble; beautiful, charming," which became Middle English freli, "a stock epithet of compliment," but which died out, perhaps as the form merged with that of freely (adv.).
free
free verse
freebase
freebie
freebooter
free-born
freedman
freedom
free-fall
free-for-all
free-hand