forbid vs require

forbid and require both are verbs.

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

As verbs, require is a hypernym of forbid; that is, require is a word with a broader meaning than forbid:

Other hypernyms of forbid include command.

forbid (verb)	require (verb)
command against	make someone do something
keep from happening or arising; make impossible	consider obligatory; request and expect
	have need of
	require as useful, just, or proper