What is a word family? A WORD FAMILY is a group of words that share the same ROOT/BASE to which different PREFIXES and SUFFIXES are added.
Here is a word family – in its nuclear form :-)
verb: TO DECIDE
adjective: DECISIVE opposite: INDECISIVE
Can you fill in the gap in the following sentence with the appropriate ‘family member’:
What is the most important ____________ you have ever had to make?