pettable

As adjectives the difference between pet and pettable

is that pet is favourite; cherished while pettable is suitable for petting.

As a noun pet

is an animal kept as a companion.

As a verb pet

is to stroke or fondle (an animal).

As an acronym PET

is polyethylene terephthalate.

As adjectives the difference between pettable and unpettable

is that pettable is suitable for petting while unpettable is not pettable; that cannot be petted.