You pronounce it exactly as it is written, but you pronounce the h heavily, and not lightly, like you know the heaviness when you're clearing your throat.
AL sadaca is how you pronounce the Arabic word الصدق
ثلج You pronounce it 'Thalj'
neha
It mean قليل ......kaliil(its pronounce in Arabic).
Helwaa : in Arabic it is written this way : حلوة
Lugha
pyaar
sa a
tree
hadeka
Qalam
forsa