Hosea, Zechariah, Joel, Obadiah, and AMOS are all considered to be one of the Minor Prophets in the Bible. Hosea is a five-letter word, Zechariah is a nine-letter word, Joel is a four-letter word, Obadiah is a seven-letter word, and AMOS is a four-letter word. These prophets were all active during the 8th century BC and wrote books that are part of the Hebrew Bible. They are known as the Minor Prophets because their books are shorter than those of the Major Prophets.