instal vs establish

instal and establish both are verbs.

Word	Noun	Adjective	Verb	Adverb
instal	No	No	Yes	No
establish	No	No	Yes	No

As verbs, instal and establish are synonyms defined as:

Other synonyms of instal include install, set up.

instal (verb)	establish (verb)
set up for use	establish the validity of something, as by an example, explanation or experiment
place	institute, enact, or establish
put into an office or a position	use as a basis for; found on
	place
	set up or lay the groundwork for
	bring about
	build or establish something abstract
	set up or found