overutilisation vs overexploitation

overutilisation and overexploitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
overutilisation	Yes	No	No	No
overexploitation	Yes	No	No	No

As nouns, overutilisation and overexploitation are synonyms defined as:

overutilisation and overexploitation: exploitation to the point of diminishing returns

Other synonyms of overutilisation include overuse, overutilization.

overutilisation (noun)	overexploitation (noun)
exploitation to the point of diminishing returns	exploitation to the point of diminishing returns