soheil1 What do you use di- before some words and bi- before others? Bi- originates from Latin, whereas di- is from Greek. The prefix, bi- or di- used for a word thus depends on its origin.
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soheil1What do you use di- before some words and bi- before others?Bi- originates from Latin, whereas di- is from Greek. The prefix, bi- or di- used for a word thus depends on its origin.