Orcus is the punisher of those who break oaths, a god of the underworld, so he/she/it would be like Satan?
What is the "abyssos" in ancient Hebrew?
The verse from Proverbs 15:11
Hell and destruction [are] before the LORD: how much more then the hearts of the children of men?
shĕ'owl and 'abaddown
Abaddown is, place of destruction, destruction, ruin, Abaddon