2 verses have
“usaha”
in Edition Unknown / An-Najm (The Star)
53:39dan bahwasanya seorang manusia tiada memperoleh selain apa yang telah diusahakannya,
53:40dan bahwasanya usaha itu kelak akan diperlihatkan (kepadanya).
Support Ayat Al Quran
Those who spend their wealth by night and day, privately and publicly, will receive their reward from their Lord. They have nothing to fear, nor shall they grieve.
The Holy Quran · Al-Baqara (The Cow) · 2:274