The French word for Police is spelled and said the same as in English. The title "Polisse" sounds like "police" and it is written as a child would do (the film is about the Youth Crime Squad in Paris).
Baloo locks up the mother on drugs telling her "Police. Handcuffs. Prison." This can be seen as a reference to Luc Besson's movie Subway (1985), as it is the exact laconic sentence of Commissioner Gesberg capturing the "Roller Skater".