rivet vs immerse

rivet is a noun but immerse is not a noun.

Word	Noun	Adjective	Verb	Adverb
rivet	Yes	No	Yes	No
immerse	No	No	Yes	No

As verbs, immerse is a hyponym of rivet; that is, immerse is a word with a more specific, narrower meaning than rivet:

Other hyponyms of rivet include absorb, engross, engulf, plunge, soak up, steep, recall, think, zoom in, hear, listen, take heed.

rivet (noun)	immerse (noun)
heavy pin having a head at one end and the other end being hammered flat after being passed through holes in the pieces that are fastened together
ornament consisting of a circular rounded protuberance (as on a vault or shield or belt)

rivet (verb)	immerse (verb)
direct one's attention on something	devote (oneself) fully to
hold (someone's attention)	cause to be immersed
fasten with a rivet or rivets	thrust or throw into
	enclose or envelop completely, as if by swallowing