lade vs overcharge

lade is not a noun while overcharge is a noun.

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

As verbs, overcharge is a hyponym of lade; that is, overcharge is a word with a more specific, narrower meaning than lade:

Other hyponyms of lade include load down, pack, bomb up, overload, surcharge, reload, stack.

lade (noun)	overcharge (noun)
	a price that is too high

lade (verb)	overcharge (verb)
fill or place a load on	place too much a load on
remove with or as if with a ladle	rip off; ask an unreasonable price