There are several collocations using the word "common".

This is a short lesson I shared with a study group. I hope you enjoy it! 

The word "common" is very often paired with certain other words to describe particular phenomena or concepts that are widely shared, recognized, or experienced among a group of people.

Common ailments

Common misconceptions

Common interests

Common knowledge

Common sense

Common courtesy

Common occurrences

Each pairing highlights an aspect of life that is generally accepted, experienced, or understood by the majority, emphasizing shared human experiences and collective understanding.

1. Common Ailments

Meaning: Frequently occurring illnesses or health issues.

Example 1: Common ailments like the cold and flu can often be prevented with regular handwashing.

Example 2: Many people turn to home remedies to treat common ailments such as headaches and indigestion.

2. Common Misconceptions

Meaning: Widely held but incorrect beliefs or ideas.

Example 1: A common misconception about British food is that it is unseasoned and uninteresting. The UK has a rich culinary tradition. 

Example 2: One common misconception is that it always rains in the UK. Many areas, especially in the southeast, enjoy plenty of sunshine.

3. Common Interests

Meaning: Shared likes or activities that people enjoy together.

Example 1: Finding common interests can help new friends bond more quickly.

Example 2: They discovered a common interest in gardening and decided to start a community garden.

4. Common Knowledge

Meaning: Information that is known by many people, often assumed to be known by everyone in a particular group.

Example 1: It's common knowledge that the Earth orbits the Sun, not the other way around.

Example 2: In our hometown, where to find the best ice cream is common knowledge.

5. Common Sense

Meaning: Good sense and sound judgment in practical matters.

Example 1: Wearing a helmet while riding a bike is just common sense to protect yourself.

Example 2: It's common sense to check the weather forecast before heading out for a long hike.

6. Common Courtesy

Meaning: Polite behavior that shows respect for other people.

Example 1: Holding the door open for the person behind you is a common courtesy.

Example 2: Sending a thank-you note after attending a dinner party is common courtesy.

7. Common Occurrences

Meaning: Events or situations that happen frequently.

Example 1: Traffic jams are a common occurrence in the city during rush hour.

Example 2: Power outages during heavy storms are a common occurrence here, and many residents have backup generators.

That’s all for now! Learning collocations will really help you sound more natural in English. Don’t forget that you can practise these with me in a lesson and get feedback. See you in class or in the comments below!