Contradictory Words

Here are some Scrabble-related words that contradict what they say they are:

ADJECTIVE (or VERB, PREPOSITION etc)
ANAGRAM
BINGO
COMPOUND
EXPURGATED
EXSECTED
EXTENDABLE (or EXTENDIBLE)
HOMOPHONIC
ILLEGIBLE
NONVALID
NONWORD
NASTIER
ONOMATOPOEIC
PALINDROME
PHONEY (or PHONY)
PLURAL
SEVEN (or any other number except FOUR)
SYMMETRIC
SHORT, SHORTER, SHORTEST
UnDoUbleD
UNIQUEST (there's also UNQUIETS)
UNFUNNY
U?LUC?Y

And last but not least …

UNFORGOT