memorialise vs speak

memorialise and speak both are verbs.

Word	Noun	Adjective	Verb	Adverb
memorialise	No	No	Yes	No
speak	No	No	Yes	No

As verbs, speak is a hypernym of memorialise; that is, speak is a word with a broader meaning than memorialise:

Other hypernyms of memorialise include address.

memorialise (verb)	speak (verb)
be or provide a memorial to a person or an event	express in speech
address in a memorial	exchange thoughts; talk with
	use language
	give a speech to
	make a characteristic or natural sound