Provide examples of compound words.

Compound words are formed by combining two or more words to create a new word with a different meaning. These words can be formed by combining two nouns, a noun and an adjective, a noun and a verb, or any other combination. Here are some examples of compound words:

1. Butterfly - formed by combining "butter" and "fly"
2. Football - formed by combining "foot" and "ball"
3. Raincoat - formed by combining "rain" and "coat"
4. Bedroom - formed by combining "bed" and "room"
5. Blackboard - formed by combining "black" and "board"
6. Firefighter - formed by combining "fire" and "fighter"
7. Moonlight - formed by combining "moon" and "light"
8. Newspaper - formed by combining "news" and "paper"
9. Bookshelf - formed by combining "book" and "shelf"
10. Toothbrush - formed by combining "tooth" and "brush"

These examples demonstrate how two or more words can be combined to create a new word with a distinct meaning. Compound words are commonly used in the English language and play an important role in expanding vocabulary and expressing ideas concisely.