pledge vs charge

pledge and charge both are nouns.

Word	Noun	Adjective	Verb	Adverb
pledge	Yes	No	Yes	No
charge	Yes	No	Yes	No

As verbs, charge is a hypernym of pledge; that is, charge is a word with a broader meaning than pledge:

Other hypernyms of pledge include consign.

pledge (noun)	charge (noun)
a binding commitment to do or give or refrain from something	attention and management implying responsibility for safety
a drink in honor of or to the health of a person or event	an impetuous rush toward someone or something
someone accepted for membership but not yet fully admitted to the group	a special assignment that is given to a person or group
a deposit of personal property as security for a debt	a quantity of explosive to be set off at one time
	heraldry consisting of a design or image depicted on a shield
	(criminal law) a pleading describing some wrong or offense
	a formal statement of a command or injunction to do something
	request for payment of a debt
	an assertion that someone is guilty of a fault or offence
	the swift release of a store of affective force
	(psychoanalysis) the libidinal energy invested in some idea or person or object
	a person committed to your care
	the quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons
	financial liabilities (such as a tax)
	the price charged for some article or service

pledge (verb)	charge (verb)
promise solemnly and formally	energize a battery by passing a current through it in the direction opposite to discharge
bind or secure by a pledge	cause formation of a net electrical charge in or on
give as a guarantee	saturate
propose a toast to	attribute responsibility to
pay (an amount of money) as a contribution to a charity or service, especially at regular intervals	set or ask for a certain price
	file a formal charge against
	impose a task upon, assign a responsibility to
	blame for, make a claim of wrongdoing or misbehavior against
	make an accusatory claim
	instruct or command with authority
	instruct (a jury) about the law, its application, and the weighing of evidence
	to make a rush at or sudden attack upon, as in battle
	direct into a position for use
	fill or load to capacity
	provide (a device) with something necessary
	place a heraldic bearing on
	cause to be agitated, excited, or roused
	move quickly and violently
	lie down on command, of hunting dogs
	pay with a credit card; pay with plastic money; postpone payment by recording a purchase as a debt
	enter a certain amount as a charge
	demand payment
	give over to another for care or safekeeping
	cause to be admitted; of persons to an institution
	assign a duty, responsibility or obligation to