Analogy
An analogy makes a comparison between two things that are alike in some way. These are some common analogy relationships.
 
- Cause-Effect
 In this analogy, the words are related in a cause-effect relationship. One word may describe the cause and the other may describe the effect.
 
 Examples:
 
 study::knowledge
 tornado::destruction
 
 The effect of studying is gaining knowledge. The effect of a tornado is destruction.
- Part to whole or Whole to part
 In this analogy, the words are related in a part to whole or whole to part relationships. One word may describe a part of something and the other word may describe the whole of the part.
 
 Examples
 
 leaf::branch
 punctuation::comma
 
 A leaf is a part of a branch. Punctuation is the whole of which a comma is a part.
- Item-Category
 In this analogy, the words are related in an item or type and category or group relationship. One word may describe the type and the other may describe a category.
 
 Examples:
 
 tricycle::bike
 pediatrics::medical science
 
 Tricycle is a type of bike. Pediatrics is a type of medical science.