How can you change singer into a common noun?

To change the proper noun "Singer" into a common noun, you need to remove the capital letter and make it lowercase. Here are a few examples of common nouns related to "Singer":

1. Singer: This refers to a person who sings professionally or as a hobby.

2. Singers: The plural form of "Singer," used to refer to multiple individuals who sing.

3. Singing: This is the act or process of singing. It is a common noun used to describe the activity of producing musical sounds with one's voice.

4. Songstress: A female singer, typically used in a formal or poetic context.

Remember, when using common nouns, you do not capitalize them unless they begin a sentence or appear in a title or heading.