As nouns the difference between tail and tael
is that
tail is the caudal appendage of an animal that is attached to its posterior and near the anus while
tael is any of several units of measure used in China and elsewhere in eastern Asia, approximately 40 grams.
As a verb tail
is to follow and observe surreptitiously.
As an adjective tail
is limited; abridged; reduced; curtailed.