وَتَخْشَى النَّاسَ وَاللَّهُ أَحَقُّ أَنْ تَخْشَاهُ
You fear people, although Allah is more deserving that you fear Him.
The relation between takhshā near the beginning and takhshāhu at the end brings the mind back to the earlier expression; it is not simply a case of two identical isolated nouns. In prose the terminal word's relationship to an earlier expression is the relevant condition.
فَقُلْتُ اسْتَغْفِرُوا رَبَّكُمْ إِنَّهُ كَانَ غَفَّارًا
I said: Seek your Lord's forgiveness, for He is most forgiving.
Istaghfirū and ghaffār share a root but do not meet the four identity requirements of complete jinās. Distinguish derivational affinity, formal identity and location in the sentence before choosing a label.