Consider the contexts of the vocabulary.
sources, . . .
What situations would you most likely find the vocabulary.
Where have you seen the words.
Go beyond the textbook vocabulary course requirements: Where else have you or would you be likely to encounter the words -- what lists? reading? speech situation? graphic media? video? sound track? . . .
What is your interest in the word?
Where does the word fit with regard to your understanding of the item and its context?