In Punjabi (my mother language), its same as Spanish (not exact words).
Different words for brother's siblings & wife's siblings. Bhra. Bhen. Bhabhi. Saali.
Different words for elder than my dad uncle v/s younger than my dad (& their wives, so total 4 words). Chacha. Chachi. Taaya. Taayi.
Different word for my brother's kids v/s sister's kids (& gender, so total 4 words). Bhateeja. Bhateeji. Bhaanja. Bhaanji.
Different word for my father in law v/s his brother (& their wives, again set of 4 words). Sahura. Sass. Taaya. Taayi.
A set of 4 words for my father's parents v/s my mum's parents. Daada. Daadi. Naana. Naani.
Almost any of the above' friends (same social circle) gets the same word. So same word for my father's brother and brother's friend.
These all might share a but of pronunciation here and there; otherwise all of them are totally independent (one word), & not derived from each other (like something-in-law).