Root م ح ن(m H n) has 2 unique word forms and appears 2 times in the Quran.

English gloss Try, Test, Subject, Trial, Ordeal, Examination, Experiment

Word Translation Occurrences
فَٱمۡتَحِنُوهُنَّۖ then examine them, then examine them 2
ٱمۡتَحَنَ Allah has tested, Allah has tested 2