“Purr”
Purring: Sound of a cat manufacturing cuteness.
Purrverse: Poem about a strange kitty.
Purranoia: The fear that your cat is up to something.
Human being: Automatic door opener for cats.
Purrpetual: Everlasting love for domesticated felines.
Purrson: A male kitty.
Purrpetual motion: A kitty playing.