"channels" - key terms from Wikipedia

adjacent channels
approach channels
audio channels
cable channels
calcium channels
catalog channels
cation channels
channels
channels	open
chloride channels
digital channels
discrete channels
formerly tv channels
future channels
hd channels
ion channels
irc channels
language television channels
list of television channels
lists of television channels
local channels
midi channels
multiplex channels
music channels
mutant channels
nav channels
news channels
outflow channels
potassium channels
qam channels
radio channels
red channels
sirius channels
sister channels
sky sports channels
sodium channels
sound channels
television channels
television news channels
these channels
traffic and weather channels
traffic channels
trp channels
tv channels
two channels
two channels	for surround speakers
uhf channels
vhf channels
water channels
wii channels