Like the letter ‘ra’, the letter ‘laam’ can also be pronounced as a thick / full mouth (tafkheem) or thin (tarqeeq) letter.
Tafkheem
To produce this sound, the tongue elevates in the mouth producing a thick/ heavy sound.
2 categories:
The in the pronunciation of the name ‘Allah’ ﷲ , when it is preceded by a fathah or Dammah
Examples
fathah
قُلْ هُوَ ٱللَّهُ أَحَدٌ
112 : 1
Dammah
نَصْرُ ٱللَّهِ
110:1
The in the pronunciation of the name ‘Allah’ ﷲ ; when it is preceded by a sukoon , and the letter before that carries a fathah or Dammah
Dammah
وَلِتُكَبِّرُوا۟ ٱللَّهَ
2:185
Dammah
وَٱتَّقُوا۟ ٱللَّهَ
2:189
CAUTION!
If the letter preceding the name ‘Allah’ ﷲ is a thin one, be careful not to pronounce it thick as this can easily be done due to the letter laam being pronounced thick
2:7
خَتَمَ ٱللَّهُ
The letter should be pronounced thin even though the laam is being pronounced thick
Tarqeeq
To produce this sound, the back of the tongue lowers so that a flat sound is produced
3 categories:
The in the pronunciation of the name ‘Allah’ ﷲ when it is preceded by a kasra
85:8
بِاللّٰهِ
82:19
يَوْمَئِذٍۢ لِّلَّهِ
The in the pronunciation of the name ‘Allah’ ﷲ when it is preceded by a sukoon, and this is preceded by a kasra
3:144
وَسَيَجْزِى ٱللَّهُ
In all other instances
111:1
لَهَبٍۢ
111 : 2
مَالُهُۥ
Miscellaneous
When the letter preceding the name ‘Allah’ is a , the harakaat of the letter preceding the will determine if the in Allah’s name is pronounced thick or thin