Ability vs. Capability

Have you ever thought about 'ability' and 'capability'? Can we use them interchangeably? In this lesson, we're gonna learn all about their differences.

What Is Their Main Difference?

Both of these words refer to the expertise with which how we can perform something. However, 'ability' refers to the innate potential we have for doing something. It cannot be changed because it is not learned. 'Capability' refers to the potential someone has for doing something. They have not done it still though.

Differences

We mainly use 'ability' to show how someone can innately do something professionally. It is in their nature. Look:

I wish I had the ability to play an electric guitar.

She has the ability of fooling people so stealthily.

However, 'capability' refers to the fact that someone can do something. They might never do it, though. Look at the following examples for more clarification:

I just feel she has the capability to persuade everyone in the room, but I don't know why she is keeping silent.

Having the capability to do something is one thing. Trying hard for it is another.

Similarities

The main similarity between these two is that they refer to the skill with which someone can do something. Check out the following examples:

The ability to coax people into doing something you want is not something anyone can do.

The capability to pinpoint the unconscious patterns in patients is what we're looking for in psychotherapists.

Are They Interchageable?

Since these two words are nearly the same, they can be used interchangeably. Compare:

✓ I wish I had James ability in songwriting.

✓ I wish I had James' capability in songwriting.

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