abandoned
abuse
alone
animal
animal rights
bars
behind
breed
cage
canine
captive
captivity
confine
cruelty
dog
domestic
enclosure
fence
forgotten
forlorn
friend
guard
heartbreaking
home
homeless
hound
humane
imprisoned
kennel
locked
lonely
lonesome
looking
mutt
neglect
neglected
nose
orphaned
outdoors
outside
pet
pooch
prison
protection
sad
sadness
shelter
society
unwanted