Yes 'pleaded' is incorrect. The correct past tense of plead is plead. It is spelled the same as the present tense verb, but pronounced with a small "e".
The defendant pleaded guilty to the charges against him in court.
Begged
help me he pleaded
The lawyer plead for time before the case so he can get some information.
two syllables--plead-ed
There are two syllables like so: plead-ed.
pleaded pleaded
Incorrect
Yes, pleaded is the correct spelling of that word.Some example sentences are:She pleaded with the bank manager for a loan.The charity advert pleaded for some funds.He pleaded with the judge to believe him.
The anagram is incorrect...the word "incorrect."
incorrect
No, incorrect is not a prefix, although it does have a prefix on it. The prefix is "in," meaning "not." So the word "incorrect" means "not correct."