crystallise vs clear up

crystallise and clear up both are verbs.

Word	Noun	Adjective	Verb	Adverb
crystallise	No	No	Yes	No
clear up	No	No	Yes	No

As verbs, crystallise and clear up are synonyms defined as:

crystallise and clear up: make free from confusion or ambiguity; make clear

As verbs, clear up is a hypernym of crystallise; that is, clear up is a word with a broader meaning than crystallise:

Other hypernyms of crystallise include clarify, elucidate.

crystallise (verb)	clear up (verb)
cause to form crystals or assume crystalline form	free (the throat) by making a rasping sound
cause to take on a definite and clear shape	finish a task completely
make free from confusion or ambiguity; make clear	make free from confusion or ambiguity; make clear
	make clear and (more) comprehensible
	become clear