1 verse has
ٱلْمُتَرَبِّصِينَ
in Edition Uthmani / At-Tur (The Mount)

31:52قُلْ تَرَبَّصُوا۟ فَإِنِّى مَعَكُم مِّنَ ٱلْمُتَرَبِّصِينَ