concentrate vs listen

concentrate is a noun but listen is not a noun.

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

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

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

concentrate (noun)	listen (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)	listen (verb)
cook until very little liquid is left	hear with intention
make denser, stronger, or purer	listen and pay attention
make central	pay close attention to; give heed to
be cooked until very little liquid is left
make more concise
compress or concentrate
direct one's attention on something
draw together or meet in one common center