German Chancellor Friedrich Merz said the EU and Canada are establishing an 'Alliance for the Future' at the Montreal summit. (Reuters pic)MONTREAL: Is it an "alliance" or an "associated membership?"

Disagreement over what a stronger relationship between the EU and Canada should be called has emerged as an irritant at a Montreal summit, with leaders dogged by questions about wording rather than substance.

Born in Brussels, the lexical dispute pits some member states against the powerful European Commission.

Now it has presented itself like an uninvited guest at a two-day event aimed at projecting EU-Canada unity at a time of global tensions.