There isn't a specific verb for "house cat," but you can use verbs that describe their actions:
* Purr: The sound a cat makes when happy.
* Meow: A cat's vocalization.
* Nap: Cats are famous for napping.
* Hunt: House cats still have hunting instincts, often playing with toys like prey.
* Scratch: Using claws on furniture or objects.
* Play: Cats enjoy interactive games.
* Cuddle: Cats enjoy being petted and cuddling with humans.
* Groom: Cats spend a lot of time licking their fur.
General verbs like move, sit, sleep, and eat also apply.
The best verb depends on the specific action you want to describe.