What is the meaning of "v'Shovavticha"?
Refer to 38:4:1:1-3.
What is the meaning of "v'Shisheisicha"?
Rashi: This is like v'Hiseticha (I will entice you), like "Lo Yasi Oyev Bo" (Tehilim 89:23).
Radak #1: Is an expression of Shishah. Only a sixth of your camp will remain.
Radak #2: Based on context, I will cut you off or destroy you.
Radak citing his father: I will judge you with six judgments ? plague, blood flooding rain, Avnei Elgavish, fire and sulfur (38:22).
Radak citing Targum Yonasan: I will entice you and make you err.
Why does it say "v'Ha'alisicha mi'Yarkesei Tzafon"?
Malbim: You will ascend a second time on the mountains of Yisrael for war. The first time it says "v'Hayah? b'Yom Bo Gog Al Admas Yisrael" (38:18) ? he will fall immediately when he comes to their border and land. The second time he will reach Harei Yisrael and besiege Yerushalayim.