Here are the possible solutions for the tendency of a spell checker to replace misspelled words and words not in its dictionary with those that are wrong clue
Answer
Clue
Relevancy
cupertinoeffect
Clue
The tendency of a spell checker to replace misspelled words and words not in its dictionary with those that are wrong
erred
Clue
Misspelled misspelled, e.g.
Definition
ERR, to make a mistake
nonono
Clue
"Wrong, wrong, wrong!"
kinged
Clue
Double-deckered a checker player's checker
Definition
KING, to make king; to provide with a king
amulet
Clue
Spell checker?
Definition
(Latin) a charm worn to ward off evil, disease, etc
