preclude vs forbid

preclude and forbid both are verbs.

Word	Noun	Adjective	Verb	Adverb
preclude	No	No	Yes	No
forbid	No	No	Yes	No

As verbs, preclude and forbid are synonyms defined as:

Other synonyms of preclude include foreclose, forestall, prevent.

preclude (verb)	forbid (verb)
keep from happening or arising; make impossible	command against
make impossible, especially beforehand	keep from happening or arising; make impossible