Solving the Analogy: Letter to Envelope, Dagger to What?

The question asks us to find the word related to 'Dagger' in the same way that 'Envelope' is related to 'Letter'. This is a classic analogy question where we need to identify the relationship between the first pair of words and apply that same relationship to the third word to find the fourth word.

Understanding the Relationship: Letter : Envelope

Let's analyse the relationship between 'Letter' and 'Envelope'.

• A Letter is a written communication.
• An Envelope is a flat paper container used to enclose a letter, especially for mailing.

The relationship here is that an Envelope serves as a protective covering or a container for a Letter. It encloses the letter.

Applying the Relationship: Dagger : ?

Now, we need to find something that serves as a protective covering or container for a 'Dagger'. A Dagger is a short, pointed knife used as a weapon.

Let's examine the given options:

1. Sheath
2. Weapon
3. Sword
4. Sharp

Analysing the Options

• Sheath: A sheath is a cover or case for a blade, such as a knife, sword, or dagger. It is used to protect the blade and prevent injury. This fits the protective covering/container relationship.
• Weapon: A dagger is a type of weapon, but 'Weapon' is a category or classification. It is not a protective covering for a dagger.
• Sword: A sword is another type of bladed weapon, often larger than a dagger. While related in function, 'Sword' is not something that protects or contains a dagger.
• Sharp: 'Sharp' describes a characteristic of a dagger (its edge or point). It is not a physical object that protects or contains the dagger.

Conclusion: Finding the Related Word

Based on the analysis, the word that shares the same protective covering/container relationship with 'Dagger' as 'Envelope' does with 'Letter' is 'Sheath'. A sheath protects a dagger.

Comparing this relationship to the options, 'Sheath' is the correct choice.

Revision Table: Key Concepts

Additional Information on Analogies and Word Relationships

Analogies are common in reasoning tests and vocabulary building. They assess your ability to identify relationships between concepts and apply them in different contexts. Common types of relationships include:

• Part to Whole (e.g., Finger : Hand)
• Cause and Effect (e.g., Heat : Expansion)
• Antonyms (e.g., Hot : Cold)
• Synonyms (e.g., Happy : Joyful)
• Worker and Tool (e.g., Carpenter : Hammer)
• Action and Object (e.g., Read : Book)
• Object and Container (e.g., Letter : Envelope, Dagger : Sheath)

Practicing with different types of analogies helps improve logical reasoning and vocabulary skills. When solving analogies, always try to be precise about the relationship between the first pair before looking at the options.