Salam Alaikum,
Can you please provide me with an example of tanween followed by the letter kha (7th letter of alphabet) in the Qur’an.
Answer
Wa alaikum assalaam wa rahmatu Allahi wa barakatuh.
There are many examples in the Qur’an, but one such example is the tanween in the word 
followed by the letter 
in this aayah: 
.