recycling vs utilisation

recycling and utilisation both are nouns.

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

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

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

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

recycling (noun)	utilisation (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