fossilise vs maturate

fossilise and maturate both are verbs.

Word	Noun	Adjective	Verb	Adverb
fossilise	No	No	Yes	No
maturate	No	No	Yes	No

As verbs, maturate is a hypernym of fossilise; that is, maturate is a word with a broader meaning than fossilise:

Other hypernyms of fossilise include age, get on, mature, senesce.

fossilise (verb)	maturate (verb)
convert to a fossil	ripen and generate pus
become mentally inflexible	develop and reach maturity; undergo maturation
	grow old or older