Instinct
noun, の adjective
The abilities you originally start out with are instincts. Animals have lots of them because they aren't very good at learning. They have to start out knowing them from the start.
ほんのう
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
本能的にヤバイって感じたんだよね。
I instinctively felt it was dangerous.
かわいい!母性本能くすぐられる。
Cute! It tickles my maternal instincts.
それは人間の本能です。
That's a human instinct.