abandoned
adopt
adorable
alone
animal
background
beast
breed
canine
creature
cute
dirty
dog
doggy
domestic
eat
eating
feed
feeding
friend
friendship
grass
homeless
hungry
loneliness
lonely
lost
mammal
mongrel
nature
neglected
obedience
outdoors
pet
poverty
problem
protection
sad
sadness
shelter
sidewalk
small
stray
street
urban
vertebrate
walking