Answer:
devour.
Step-by-step explanation:
The word which has a similar connotation to the word "swallow" in this excerpt is 'devour'. In the above excerpt, the writer talks about how the hell is eagerly waiting for them with its mouth wide open.
It projects the idea that the hell is impatiently waiting and paints a picture of eagerness and excitement. The word 'devour' would seem most appropriate to connect with the word 'swallow' as devour means to consume eagerly and quickly.