lay out vs arrange

lay out and arrange both are verbs.

Word	Noun	Adjective	Verb	Adverb
lay out	No	No	Yes	No
arrange	No	No	Yes	No

As verbs, arrange is a hypernym of lay out; that is, arrange is a word with a broader meaning than lay out:

Other hypernyms of lay out include set up.

lay out (verb)	arrange (verb)
get ready for a particular purpose or event	arrange attractively
provide a detailed plan or design	arrange thoughts, ideas, temporal events
bring forward and present to the mind	make arrangements for
lay out orderly or logically in a line or as if in a line	put into a proper or systematic order
spend or invest	adapt for performance in a different way
	set (printed matter) into a specific format
	plan, organize, and carry out (an event)