spread vs open

spread and open both are nouns.

Word	Noun	Adjective	Verb	Adverb
spread	Yes	Yes	Yes	No
open	Yes	Yes	Yes	No

As verbs, spread and open are synonyms defined as:

Other synonyms of spread include spread out, unfold.

spread (noun)	open (noun)
act of extending over a wider scope or expanse of space or time	information that has become public
decorative cover for a bed	a tournament in which both professionals and amateurs may play
farm consisting of a large tract of land along with facilities needed to raise livestock (especially cattle)	a clear or unobstructed space or expanse of land or water
a haphazard distribution in all directions	where the air is unconfined
the expansion of a person's girth (especially at middle age)
a conspicuous disparity or difference as between two figures
two facing pages of a book or other publication
process or result of distributing or extending over a wide expanse of space
a tasty mixture to be spread on bread or crackers or used in preparing other dishes
a meal that is well prepared and greatly enjoyed

spread (adjective)	open (adjective)
distributed or spread over a considerable extent	ready or willing to receive favorably
fully extended in width	affording unobstructed entrance and exit; not shut or closed
prepared or arranged for a meal; especially having food set out	affording free passage or access
	(set theory) of an interval that contains neither of its endpoints
	open and observable; not secret or hidden
	used of mouth or eyes
	ready for business
	not having been filled
	(of textures) full of small openings or gaps
	openly straightforward and direct without reserve or secretiveness
	not requiring union membership
	open to or in view of all
	possibly accepting or permitting
	without undue constriction as from e.g. tenseness or inhibition
	having no protecting cover or enclosure
	affording free passage or view
	with no protection or shield
	accessible to all
	not sealed or having been unsealed
	not brought to a conclusion; subject to further thought
	not defended or capable of being defended

spread (verb)	open (verb)
cause to become widely known	make available
become widely known and passed on	become available
distribute or disperse widely	make the opening move
spread out or open from a closed or folded state	cause to open or to become open
become distributed or widespread	become open
cover by spreading something over	spread out or open from a closed or folded state
distribute over a surface in a layer	display the contents of a file or start an application as on a computer
strew or distribute over an area	afford access to
move outward	start to operate or function or cause to start operating or functioning
spread across or over	begin or set in action, of meetings, speeches, recitals, etc.
	have an opening or passage or outlet