ABCya
Ab Cya: Make a Word Search Puzzle: Word Search Creator
Need to practice your spelling words? Build your own word search using your spelling words with this terrific user friendly tool.
Vocabulary Spelling City
Vocabulary Spelling City: Word Search
In this free version of the game, choose from four sets of words, depending on the grade level. The words are scrambled into a word search where you must find them. Includes 'Spelling Test' and 'Teach Me' features.
Teachnology
Teachnology: Lesson Plan: Word Seek
In this lesson plan, 3rd through 5th grade students create word searches on grid paper using their spelling words; then they pass their word search to a classmate to solve it.
Knowledge Share
Super Kids: Vocabulary Builders
This site has 6 creative games to improve your vocabulary.
Other
Terra Criancas: Jogos Em Flash (For Portuguese Speakers)
A collection of 15 or so online games for children--some just for fun and some with an educational focus. Solve space-related word scrambles, find objects that don't match the rest of the group, figure out the missing number, or guess...