obligate vs relate

obligate is an adjective but relate is not an adjective.

Word	Noun	Adjective	Verb	Adverb
obligate	No	Yes	Yes	No
relate	No	No	Yes	No

As verbs, relate is a hypernym of obligate; that is, relate is a word with a broader meaning than obligate:

obligate (adjective)	relate (adjective)
restricted to a particular condition of life

obligate (verb)	relate (verb)
bind by an obligation; cause to be indebted	make a logical or causal connection
commit in order to fulfill an obligation	give an account of; narrate
force somebody to do something	have or establish a relationship to
	be relevant to
	be in a relationship with