As nouns the difference between millier and millie
is that millier is a weight of the metric system, equal to one million grams; a metric ton while millie is (northern ireland, 19th century, pejorative or affectionate) a mill-worker, usually a young, industry[bbc newsline broadcast 27th of may 2010].
millier
English
Noun
(
en noun)
A weight of the metric system, equal to one million grams; a metric ton.
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millie
English
Alternative forms
* Milly
Proper noun
(
en proper noun)
A diminutive of the female given names Mildred, Millicent, Emily, Amelia and Camilla, also used as a formal given name.