1 verse has
ٱلسَّبْعِ
in Edition Uthmani / Al-Muminoon (The Believers)

86:23قُلْ مَن رَّبُّ ٱلسَّمَٰوَٰتِ ٱلسَّبْعِ وَرَبُّ ٱلْعَرْشِ ٱلْعَظِيمِ