I think you mean a "branch" of a tree. according to Google translate, it is called branche (i believe the pronunciation is bran-shay)
A pine tree is 'un pin' in French.
Brunch(Breakfast/lunch) = Almutang(Almusal/tanghalian)
a tree surgon is called 'un élagueur' in French, from the verb: 'élaguer'.
cocottier
Sucre i think
cet arbre-là
un mûrier
erable arbre
un châtaignier
Quel Bel Arbre
un arbre généalogique
Did you mean HOW do you say people in French? les gens