Root ث ق ف(v q f) has 4 unique word forms and appears 6 times in the Quran.

English gloss Meet, Find, Intelligent, Clever

Word Translation Occurrences
ثُقِفُوٓاْ they are found, they are found 4
تَثۡقَفَنَّهُمۡ you gain dominance over them, you gain dominance over them 2
ثَقِفۡتُمُوهُمۡ you find them, you find them 2
ثَقِفۡتُمُوهُمۡۚ you find them, you find them 2
يَثۡقَفُوكُمۡ they gain dominance over you, they gain dominance over you 2