plea-bargain vs agree

plea-bargain and agree both are verbs.

Word	Noun	Adjective	Verb	Adverb
plea-bargain	No	No	Yes	No
agree	No	No	Yes	No

As verbs, agree is a hypernym of plea-bargain; that is, agree is a word with a broader meaning than plea-bargain:

plea-bargain (verb)	agree (verb)
agree to plead guilty in return for a lesser charge	be in accord; be in agreement
	consent or assent to a condition, or agree to do something
	achieve harmony of opinion, feeling, or purpose
	be agreeable or suitable
	be compatible, similar or consistent; coincide in their characteristics
	go together
	show grammatical agreement