overload vs overcharge

overload and overcharge both are nouns.

Word	Noun	Adjective	Verb	Adverb
overload	Yes	No	Yes	No
overcharge	Yes	No	Yes	No

As verbs, overload and overcharge are synonyms defined as:

Other synonyms of overload include surcharge.

overload (noun)	overcharge (noun)
an excessive burden	a price that is too high
an electrical load that exceeds the available electrical power

overload (verb)	overcharge (verb)
fill to excess so that function is impaired	place too much a load on
place too much a load on	rip off; ask an unreasonable price
become overloaded