"free" - key terms from Wikipedia

born free
congo free	state
free
free	agency
free	agent
free	agents
free	and open source
free	and open source software
free	as a bird
free	blacks
free	city
free	content
free	energy
free	fall
free	french
free	french forces
free	hugs
free	jazz
free	kick
free	love
free	market
free	press
free	radical
free	radicals
free	range
free	running
free	skate
free	software
free	software foundation
free	soil
free	space
free	speech
free	state
free	throw
free	throws
free	trade
free	trade agreement
free	trade area
free	will
free	willy
free	zone
gibbs free	energy
gnu free	documentation license
irish free	state
live free	or die hard
m free
mean free	path
north american free	trade agreement
orange free	state
signed as a free	agent