What's the noun for ingeny? Here's the word you're looking for.
genius
(eulogistic) Someone possessing extraordinary intelligence or skill; especially somebody who has demonstrated this by a creative or original work in science, music, art etc.
“The ingenue was lured into signing a contract she did not fully understand, highlighting her vulnerability as an innocent and easily manipulated young person.”
“The slim volume is illustrated with photographs of Bainbridge as a wide-eyed ingenue.”
“I've been asked my opinion, then called a woolly-minded idealist, an economic ingenue.”
ingenuity
The ability to solvedifficult problems, often in original, clever, and inventive ways.
“So great is his ingeniousness in this domain that, to our knowledge, none of the processes described by him had ever been referred to before by any of his predecessors.”
“The coffee was excellent, thanks to the ingeniousness of the machine that made it.”
“In the administrative building several display cases of contraband items and homemade weapons give evidence to prisoners' ingeniousness.”
“It is full of busy ingenuities that smack of art school — but of art-school studios, not seminars.”
“The problems of form and function will yield only to a joint solution that makes the ingenuities of the most ambitious novel writing seem like a five-finger exercise.”
“The most versatile craftsman of the Renaissance was Josquin, whose music displays a continual variety of contrapuntal ingenuities, including melodic imitation.”