crystalise vs devitrify

crystalise and devitrify both are verbs.

Word	Noun	Adjective	Verb	Adverb
crystalise	No	No	Yes	No
devitrify	No	No	Yes	No

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

crystalise (verb)	devitrify (verb)
assume crystalline form; become crystallized	become crystalline
cause to form crystals or assume crystalline form	make (glassy materials) brittle or opaque
cause to take on a definite and clear shape
make free from confusion or ambiguity; make clear