Root ف ر ض(f r D) has 9 unique word forms and appears 18 times in the Quran.

English gloss Decree, Ordain, Assign, Impose

Word Translation Occurrences
فَرَضَ Allah has imposed, has ordained, ordained, Allah has imposed, has ordained, ordained, undertakes, undertakes 8
فَرِيضَةٗ an obligation, An obligation, an obligation (dower), an obligation, An obligation, an obligation (dower) 6
فَرِيضَةٗۚ an obligation (dower), (as) an obligation, an obligation (dower), (as) an obligation 4
فَرَضۡتُمۡ you have specified, you have specified 4
مَّفۡرُوضٗا appointed, obligatory, appointed, obligatory 4
وَفَرَضۡنَٰهَا and We (have) made it obligatory, and We (have) made it obligatory 2
فَارِضٞ old, old 2
فَرَضۡنَا We have made obligatory, We have made obligatory 2
ٱلۡفَرِيضَةِۚ the obligation, the obligation 2
تَفۡرِضُواْ you specified, you specified 2