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

English gloss Plunge, Rush, Reckless, Daring, Drag, Invade, Penetrate

Word Translation Occurrences
ٱقۡتَحَمَ he has attempted, he has attempted 2
مُّقۡتَحِمٞ bursting, bursting 2