4 verses have
lam
in Edition English Transliteration / Al-Alaq (The Clot)

96:4Al lazee 'allama bil qalam

96:5'Al lamal insaana ma lam y'alam

96:14Alam y'alam bi-an nal lahaa yaraa

96:15Kalla la illam yantahi la nasfa'am bin nasiyah