Root ج ه د(j h d) has 17 unique word forms and appears 41 times in the Quran.

English gloss Strive, Labor, Work, Industrious

Word Translation Occurrences
وَجَٰهَدُواْ and strove, and strove hard, but strive 12
جَهۡدَ strongest, strong, (the) strongest 10
جَٰهَدُواْ strive, strove, strove hard 10
وَجَٰهِدُواْ and strive, and strive hard 8
ٱلۡمُجَٰهِدِينَ the ones who strive, those who strive 6
جَٰهَدَاكَ they both strive against you, they strive against you 4
يُجَٰهِدُواْ strive, they strive 4
جَٰهِدِ Strive, Strive (against) 4
وَجَٰهِدۡهُم and strive (against) them 2
وَٱلۡمُجَٰهِدُونَ and the ones who strive 2
يُجَٰهِدُ he strives 2
جِهَادٗا a striving 2
يُجَٰهِدُونَ striving 2
جِهَادِهِۦۚ (with the) striving due (to) Him 2
جَٰهَدَ strives 2
جِهَٰدٗا (to) strive 2
جُهۡدَهُمۡ their effort 2
وَتُجَٰهِدُونَ and strive 2
وَجِهَادٖ and striving 2
وَجَٰهَدَ and strives 2