After you cross everyone's favourite mumma and dadda off the list, there are lot of words to teach baby. Labelling, or teaching words for things and objects you interact with, is easy, and there are also a lot of action and descriptive words that are easier than others for baby to add to their vocabulary.
Here are some to try:
please/ thank you
TIP: Wondering how many words to expect and when? According to Babycenter, by 18 mos baby can be speaking 5, understanding up to 50, from 18-24 mos – speaking 50-75, understanding 200 and will start putting simple words together.