Stem تَرْكَبُ has 4 unique word forms and appears 4 times in the Quran.

Word Translation Occurrences
تَرۡكَبُونَ you ride 2
لَتَرۡكَبُنَّ You will surely embark 2
لِتَرۡكَبُواْ that you may ride 2
لِتَرۡكَبُوهَا for you to ride them 2