Stem يَحْتَسِبُ has 3 unique word forms and appears 3 times in the Quran.

Word Translation Occurrences
يَحۡتَسِبُۚ he thinks 2
يَحۡتَسِبُواْۖ they expected 2
يَحۡتَسِبُونَ taken into account 2