Root ق ت ر(q t r) has 5 unique word forms and appears 5 times in the Quran.

English gloss Poor, Parsimonious

Word Translation Occurrences
قَتَرٞ dust, dust 2
قَتَرَةٌ darkness, darkness 2
قَتُورٗا stingy, stingy 2
ٱلۡمُقۡتِرِ the poor, the poor 2
يَقۡتُرُواْ and are not stingy, and are not stingy 2