This is the 1079th most frequent Polish word.
kolejce
"Kolejce" is the dative or locative form of "kolejka," which means a "queue" or "line" in English.
'Kolejce' refers to a line of people waiting their turn.
Staliśmy długo w kolejce do kina.
We were standing in line for the cinema for a long time.
'Kolejka' denotes a turn or round in a game, here used in its locative case.
Nasza kolejka w grze planszowej wypadła znakomicie.
Our turn in the board game went excellently.
'Kolejce' is used first to denote a queue and then references a mountain cart rail system (a 'kolejka górska').