Was heißt »Knöllchen« auf Englisch?

Das Substantiv »Knöllchen« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Synonyme

I left my ticket on the train.
The ticket for the subway is cheap.
"Oh, no. There's a parking ticket under my windscreen wiper. I'd only nipped out to buy some bread rolls." "You still have to get a ticket from the pay and display machine, Mary, even for that."
He was caught fare-dodging by a ticket inspector.
He dodged his fare and was caught by a ticket inspector.
"A ticket for tomorrow to Szczebrzeszyn, please." "I didn't catch that. Could you spell it, please?"
He bought a cinema ticket for a very reasonable price.
I've lost my ticket. What should I do?
It was only when the ticket inspector asked me for my ticket that I realised I didn't have one.
Only when the ticket inspector asked me for my ticket did I realise that I hadn't got one.
Tom got a ticket for parking on a double-yellow line.
After receiving a numbered ticket at reception, I took a seat in a waiting room.
How much is a return ticket?
Tom is completely skint again. He can't even pay for his bus ticket.
How much is a round-trip ticket?
A return ticket, please.
Sorry, but your ticket is no longer valid.
This ticket is valid for two days only after the date of purchase.
It costs more to get into the concert than a ticket for the cinema.
Admission to the concert costs more than a cinema ticket.