Step-by-step explanation:
As I understood from your question, you need to know what the root admit means and what other words you can create using this root.
The root admit (Latin: admittere) means to give entrance, allow to enter, to let in; the other meaning is to declare to be true or admit the existence or reality or truth of.
Taking this into consideration, we can compose a few words with this root.
Examples:
Admittance (noun) - the right to enter.
I was refused admittance to take part in this game.
Admission (noun) - the act of admitting someone to enter.
They were denied admission to enter the club.
I hope it helped you :)