Contractions (Words that have been contracted to form a shorter word)
can’t, didn’t, hasn’t, couldn’t, it’s, wouldn’t, shouldn’t, wasn’t, Mr, Mrs
Word families based on common words, showing how words are related in form and meaning.
instruct, structure, construction, instruction, instructor, unit, union, united, universe, university.
Adding the prefix non- (meaning ‘not’)
exit, extend, explode, excursion, exchange, export, exclaim, expel, external, exterior.