[suffix] - used to form nouns from adjectives ending in '-able' or '-ible', to mean the quality of being the stated adjective washability likeability stability affordability Student textbooks need to have readability (= the quality of being well written and therefore easy and enjoyable to read).The latest computers are high on portability (= the quality of being easily able to be carried from one place to another).Hollywood studios are not convinced of the bankability (= power to earn money) of their young female stars.
IBILITY
Meaning of IBILITY in English
Cambridge English vocab. Кембриджский английский словарь. 2012