the.com/zed

The letter Z, as pronounced by everyone except the one country that gave English its name.

means The British, Canadian, and general Commonwealth name for the letter Z, used everywhere English is spoken except the United States.

from Traced back through French 'zède' to Greek 'zeta', the sixth letter of the Greek alphabet. American English instead settled on 'zee', likely by analogy with 'bee', 'dee', and 'gee' — a leveling that happened on one side of the Atlantic but not the other, leaving the English-speaking world split on how to end its own alphabet.

origin
From Greek zeta, via French zede
usa exception
Americans say zee, rhyming with the alphabet song
commonwealth standard
Used in UK, Canada, Australia, most English speakers
zee reason
Noah Webster pushed zee for rhyme and simplicity
the.com · every word