This is the 17th most frequent Azerbaijani word.
biz
"We"
In this sentence, 'biz' is used as the plural first-person pronoun equivalent to 'we' in English.
Biz evimizə gedirik.
We are going to our home.
Here, 'bizim' is a possessive form derived from 'biz', meaning 'our' in English.
Bu uşaqlar bizim dostlarımızdır.
These children are our friends.
'Bizdə' in this sentence means 'with us' or 'in our possession', derived from the base pronoun 'biz'.