There is no word hability. Ability is having the knowledge, skill to do do something. The closest word to hability would be habitability, but we would normally just say it was habitable or inhabitable. Usually referring to an environment or house.

Is it ability or hability?

Ability. The quality or state of being able; power to perform, whether physical, moral, intellectual, conventional, or legal; capacity; skill or competence in doing; sufficiency of strength, skill, resources, etc.; - in the plural, faculty, talent. ...

Is Hability a word?

Obsolete form of ability.