"cd" - key terms from Wikipedia

audio cd
audio cd	and tape published
audio cd	standard
bonus cd
cd
cd	album
cd	and dvd
cd	changer
cd	ep
cd	key
cd	layer
cd	maxi
cd	maxi single
cd	molecules
cd	numancia
cd	player
cd	players
cd	projekt
cd	promo
cd	reissue
cd	release
cd	sampler
cd	set
cd	single
cd	tenerife
cd	us
cd	version
compilation cd
conventional cd
demo cd
double cd
drama cd
enhanced cd
european cd
installable live cd
jaguar cd
live cd
mega cd
mini cd
mix cd
promo cd
released on cd
remastered cd
sega cd
sonic cd
soundtrack cd
super audio cd
uk cd
video cd
xerez cd