Zaqqum
(Bitter Tree)

Root letters:
Zay-Qaf-Miim

Zaqqum

37:62
أَذَلِكَ خَيْر ٌ نُزُلاً أَمْ 
شَجَرَةُ الزَّقُّومِ
'Adhalika Khayrun Nuzulāan 'Am Shajaratu Az-Zaqqūmi 


Is that a better destination, or the tree of Bitterness?

44:43
إِنَّ
شَجَرَةَ الزَّقُّومِ
'Inna Shajarata Az-Zaqqūmi 


Surely, the tree of Bitterness,

56:52
لَآكِلُونَ مِنْ 
شَجَر ٍ مِنْ زَقُّوم ٍ
La'ākilūna Min 
Shajarin Min Zaqqūmin 


Will eat from the tree of Bitterness,