Root ل ح د(l H d) has 3 unique word forms and appears 6 times in the Quran.

English gloss Bury, Dig a grave, Deviate from straight path, Apostate

Word Translation Occurrences
يُلۡحِدُونَ deviate, distort, deviate, distort, they refer, they refer 6
بِإِلۡحَادِۭ of deviation, of deviation 2
مُلۡتَحَدًا any refuge, any refuge 2
مُلۡتَحَدٗا a refuge, a refuge 2