Assalamu alaikum

Al Quran has many miracle and one of it is the linguistic miracle of quran.

A beautiful palindrome(something that is same when read from left to right or right to left) is mentioned in Quran and is one of the linguistic miracle of Al Quran.

See the below word in Quran is same when read both from left or right. Watch the lecture here -

Nouman Ali Khan - Conversation with a Christion on the Quran | Halal Tube

ربك فكبر