ش ج رsh-j-r
(ن) شَجَرَ يَشْجُرُ شَجْرًاshajara yashjuru shajran: to differ with one another, to dispute. ﴿حَتّٰى يُحَكِّمُوْكَ فِيْمَا شَجَرَ بَيْنَهُمْ﴾ (An-Nisāʾ 4:65)
شَجَرٌshajar (generic noun, ism jins, singular شَجَرَةٌshajarah): tree (because the branches of a tree spread out in different directions). ﴿وَلَا تَقْرَبَا هٰذِهِ الشَّجَرَةَ﴾ (Al-Baqarah 2:35); ﴿وَّالنَّجْمُ وَالشَّجَرُ يَسْجُدٰنِ﴾ (Ar-Raḥmān 55:6)