This is the 1399th most frequent Dutch word.
vriendin
Girlfriend or female friend.
Here, 'vriendin' is used to indicate a close female friend.
Mijn vriendin en ik gaan vandaag naar de film.
My (female) friend and I are going to the movies today.
In this instance, 'vriendin' refers to a romantic partner who is female.
Ik zal mijn vriendin verrassen met een cadeautje.
I will surprise my girlfriend with a present.
The word 'vriendin' here points to a platonic female friend of the speaker.