What's the noun for abler? Here's the word you're looking for.
ability
(obsolete) Suitableness. [Attested from around (1350 to 1470) until the late 17th century.]
(uncountable) The quality or state of being able; capacity to do; capacity of doing something; having the necessary power. [First attested from around (1350 to 1470).]
The legal wherewithal to act. [First attested in the mid 17th century.]
(now limited to Scotland dialects) Physical power. [First attested from around (1350 to 1470).]
(archaic) Financial ability. [First attested in the early 16th century.]
(uncountable) A unique power of the mind; a faculty. [First attested in the late 16 th century.]
(countable) A skill or competence in doing; mental power; talent; aptitude. [First attested in the early 17 th century.]
