"jack" - key terms from Wikipedia

billy jack
black jack
cactus jack
captain jack
captain jack	harkness
jack
jack	abbott
jack	abramoff
jack	and victor
jack	bauer
jack	benny
jack	black
jack	brabham
jack	bruce
jack	dempsey
jack	douglas
jack	frost
jack	harkness
jack	in the box
jack	johnson
jack	jones
jack	kelly
jack	kerouac
jack	kirby
jack	lemmon
jack	london
jack	nicholson
jack	nicklaus
jack	o
jack	palance
jack	ruby
jack	russell
jack	ryan
jack	sparrow
jack	spicer
jack	straw
jack	the ripper
jack	thompson
jack	vance
jack	warner
jack	webb
jack	white
new jack
new jack	city
new jack	swing
samurai jack
spring heeled jack
union jack
when jack
wolfman jack