concentrate vs immerse

concentrate is a noun but immerse is not a noun.

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

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

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

concentrate (noun)	immerse (noun)
a concentrated example of something
a concentrated form of a foodstuff; the bulk is reduced by removing water
the desired mineral that is left after impurities have been removed from mined ore

concentrate (verb)	immerse (verb)
cook until very little liquid is left	devote (oneself) fully to
make denser, stronger, or purer	cause to be immersed
make central	thrust or throw into
be cooked until very little liquid is left	enclose or envelop completely, as if by swallowing
make more concise
compress or concentrate
direct one's attention on something
draw together or meet in one common center