| A | B |
| Sound play | Manipulating phonetic elements and a prosodic features |
| Phonemic awareness | Words are composed of separate sounds that can be manipulated |
| Accommodation | A cognitive structure is changed to incorporate the new concept |
| Overextensions | Using the same word to apply to referents that may resemble the actual referent in some way |
| Underextension | A label or word that's inappropriately restricted |
| MLU | More exact way of looking at the complexity of utterances |
| Overgeneralization | Children use their morphemic rules for words that are not regular |
| Monologues | Settings where children are the main speaker to a listening audience |