Amaia, unlike the rest of my children, has taken to making up nouns by taking the adjective or verb she associates with a particular item and substituting that for the real noun. You can tell her in English (or Danish) that she should go to 'bed' as often as you like but she insists on referring to it as her 'tired'. Yesterday, sitting at a junction, a rather nice car passed. 'Nice drive!' she exclaimed pointing at it.
It will be interesting to watch how this pattern develops.