http://www.quia.com/quiz/460716.html (opposites)
http://www.quia.com/jg/1238146.html (basic concepts)
http://www.quia.com/cb/6238.html (what's my name game)
http://www.quia.com/cb/6298.html (what's my name game)
http://www.quia.com/cb/43859.html (what's my name challenge game 1-2 players)
http://www.readwritethink.org/materials/in_the_bag/ (What's in the Bag game - figure out item in the bag from 3 clues)
http://readwritethink.org/materials/wordwizard/ (Word wizard 2nd-4th grade)
http://www.quia.com/cz/7734.html?AP_rand=115602336 (vocabulary fill in - read the story)
http://www.quia.com/hm/185541.html (baseball hangman)
http://www.quia.com/hm/185540.html (Thanksgiving Hangman)
http://www.readwritethink.org/materials/flip/ (advanced - 3-5th grade vocabulary activity)
Antonyms/Synonyms
http://www.quia.com/pages/pbordasantonyms.html (several antonym games)
http://www.quia.com/quiz/286177.html (antonyms/opposites)
http://www.quia.com/quiz/324060.html (antonyms/opposites)
http://www.quia.com/quiz/271404.html (antonyms/opposites)
http://www.earobics.com/gamegoo/games/squanky/squanky.html (opposites game - squanky the toothfairy)
http://www.quia.com/rr/76569.html (antonyms - rags to riches game)
http://www.quia.com/ba/27840.html (antonyms - battleship game)
http://www.quia.com/rr/76729.html (antonyms - rags to riches game)
http://www.quia.com/ba/19641.html (antonyms - battleship game)
http://www.quia.com/pages/pbordassynonyms.html (several synonym games)
http://www.quia.com/jg/44798.html (synonyms)
http://www.quia.com/jg/115864.html (synonyms)
http://www.quia.com/rr/76570.html (synonyms - rags to riches game)
http://www.quia.com/jg/133206.html (synomyms - more challenging for 3rd-5th grade)
http://www.quia.com/cb/9116.html (super synonyms rhyme time challenge)
Homonyms
http://www.quia.com/cb/7689.html (homonyms game 1-2 players)
http://www.quia.com/cb/6344.html (homonyms game 1-2 players)
http://www.quia.com/cb/78014.html (multiple meaning challenge game 1-2 players)