7. Compound Noun means taking the time to write two adjacent single-word or written separately by a Hyphen (-) separated or not, so the combinations are many sources in the form below.
7. "Compound Noun" means to bring 2 name. To write on a word or write separately by Hyphen) (-)) to the separator or not. Therefore, the compound noun is the source in the form of a lot of things. As follows.