a thing that helps you to be better or more successful than other people
advantage
15
the ability or qualities necessary to do something
capability
15
the action of one object or surface moving against another
friction
15
the force that attracts objects in space towards each other, and that on the earth pulls them towards the centre of the planet, so that things fall to the ground when they are dropped
gravity
15
to recognize somebody/something and be able to say who or what they are
identify
15
a request for information about somebody/something; a question about somebody/something