Madrigals and Motets were both big in the 13th century. The word motet comes from the french word "mot" which means "word" It is a choral piece "with words" Actually motets and madrigals are very...
Motet.
Both use imitative polyphony or homophony
Different can be a lot or not much. A lot could be a total opposite of something that has happened before or is happening now.
Different 'from' is correct.