Answer: bookcase, bookbag, booklight, bookshelf, teabag, teapot, teahouse, airline, airway, airmail, headline, headway, headlight, headrest, casebook,
junk food, computer software, computer program, food poisoning, sleeping bag, open house, open air, fire escape, head case, house fire, fire alarm,
Explanation:
There are two ways of making compounds. One is merging two words to form a new word, the other is to use one word as an adjective to modify the noun.
