In tip no. 8, we wrote that the various names for God and the names of sacred books should be capitalized.
CAPS: God, Jehovah, Allah, the Bible, the Koran
NO CAPS: There were many gods and goddesses in ancient myths.
Recently, we've just discovered an informative post that discusses more about this topic. It provides useful tips on how you capitalize certain religious words, such as "god," "godly," "bible," etc.
Although we have just celebrated the Holy Week, it's still a good time to read up on some tips about religious words. Remember also that capitalization is important in the IELTS especially in writing, and in the sentence completion questions in Listening and Reading.
Read more about Grammar Girl's blog post "Do you capitalize 'God'?"