recycling vs utilization

recycling and utilization both are nouns.

Word	Noun	Adjective	Verb	Adverb
recycling	Yes	No	No	No
utilization	Yes	No	No	No

As nouns, utilization is a hypernym of recycling; that is, utilization is a word with a broader meaning than recycling:

recycling: the act of processing used or abandoned materials for use in creating new products
utilization: the act of using

Other hypernyms of recycling include employment, exercise, usage, use, utilisation.

recycling (noun)	utilization (noun)
the act of processing used or abandoned materials for use in creating new products	the act of using
used or abandoned materials for use in creating new products	the state of having been made use of