swallow up vs immerse

swallow up and immerse both are verbs.

Word	Noun	Adjective	Verb	Adverb
swallow up	No	No	Yes	No
immerse	No	No	Yes	No

As verbs, swallow up and immerse are synonyms defined as:

swallow up and immerse: enclose or envelop completely, as if by swallowing

Other synonyms of swallow up include bury, eat up, swallow.

swallow up (verb)	immerse (verb)
enclose or envelop completely, as if by swallowing	devote (oneself) fully to
	cause to be immersed
	thrust or throw into
	enclose or envelop completely, as if by swallowing