Despite the flexibility of word families, and their potential diversity, there is one kind of word family which predominates in phonics work in community literacy programs. This is the rhyming word family. This is the kind of word family that was used in the East End Literacy example: fit, pit, sit, bit, spit.
We can specify exactly what a rhyming word family is by defining it as follows:
A rhyming word family is a list of one-syllable words that rhyme, and that have the same spelling for the rhyme.
It would be possible to create rhyming word families with multisyllable words, and with different spellings for the same rhyme, but experienced tutors and facilitators that I talked with told me that rhyming word families are more effective with one-syllable words and consistent spellings for rhymes.
Why, of all the possible kinds of word families, are word families of this particular kind so widely used? There are several explanations: