1)
What is "Pa'aru"?
1.
Rashi: They opened. This is like "u'Fa'arah Fiha." Malbim - everyone standing around did so, for the screams amidst pain clarified to them that the suspicion was Emes.
2)
What is the meaning of "Yismala'un"?
1.
Rashi: They gather. This is common, e.g. "Kar'u Acharayich Malei", "Asher Yikarei Alav Melo Ro'im." This does not depart from the simple meaning - every Miluy (filling) is gathered.
2.
Ibn Ezra: This is like "Timla'emo Nafshi 1 ".
1
Ibn Ezra (Shemos 15:9): My Nefesh will be full of them, to take their money.
