verwandt
related
Connected to each other through family or ancestry.
Meine Mutter und ihre Cousine sind eng miteinander verwandt.
My mother and her cousin are closely related to each other.

related
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related
Connected to each other through family or ancestry.
Meine Mutter und ihre Cousine sind eng miteinander verwandt.
My mother and her cousin are closely related to each other.

The adjective 'verwandt' (related) is almost always used together with the preposition 'mit' (with) and the dative. The structure is: Person A ist mit Person B verwandt (Person A is related to Person B).
Ich wusste gar nicht, dass du mit ihm verwandt bist.
I had no idea that you are related to him.
The noun 'der/die Verwandte' (relative) is derived from this adjective and means 'a family member.' This noun is declined like an adjective.
Zu unserer Familienfeier kommen alle nahen Verwandten.
All close relatives are coming to our family celebration.
'Verwandt' (related) is used almost only predicatively, e.g. 'Sie sind verwandt.' (They are related.) You cannot put it before a noun to describe a person, not: 'mein verwandter Onkel.'
Anna und Paul sind weitläufig miteinander verwandt.
Anna and Paul are distantly related to each other.
When 'verwandt' (related) refers to people, it is always about a family relationship. You can describe the degree of the relationship with adverbs like 'eng' (closely), 'weitläufig' (distantly), or 'entfernt' (remotely).
Wir sind nur entfernt verwandt, unsere Urgroßmütter waren Cousinen.
We are only distantly related; our great-grandmothers were cousins.
When 'verwandt' (related) refers to things, languages, or concepts, it means 'similar' or 'connected.' Here too, the preposition 'mit' (with) is often used.
Diese beiden chemischen Stoffe sind eng miteinander verwandt.
These two chemical substances are closely related to each other.
different / various
'verschieden' and 'verwandt' can form opposites when comparing things, ideas, or languages. 'verschieden' emphasizes that they are not the same and differ from each other. In this context, 'verwandt' means that they are similar or have a common origin. Important: 'verwandt' can also refer to family relationships. But the opposite of 'verschieden' mainly fits the meaning 'similar or connected'.

Deutsch und Niederländisch sind miteinander verwandt.
German and Dutch are related to each other.
Die beiden Entwürfe sehen auf den ersten Blick ähnlich aus, sind aber in vielen Punkten verschieden.
At first glance, the two designs look similar, but they are different in many ways.