Habit, is used to 習慣

habit 是行為上的習慣(帶有「嗜好」或者「癖癮」的習慣

has a habit of / get rid of the habit of(
get into the habit of
get out of the habit of
in the habit of
make sth a habit 讓…成為習慣
make a habit of sth 讓…成為習慣

be used to 指的是「心態」上的習慣

is used to 習慣於(
get used to 開始習慣…