This is the 2113th most frequent Dutch word.
hobby
An activity done regularly for enjoyment during leisure time.
In this sentence, 'hobby' is used as the subject to describe the activity that interests or entertains the speaker.
Mijn hobby is het maken van houten meubels.
My hobby is making wooden furniture.
Here, 'hobby' is used as a descriptor to show the particular activity engaged in by the subject, 'my friend'.
Mijn vriendin heeft schilderen als hobby.
My friend has painting as a hobby.
In this sentence, 'hobby' represents a category of recreational activities that the speaker is considering engaging in.