e HSK does a pretty good job of covering the majority of common words across all six levels, but it might be interesting to see how early on the really high frequency words are covered. The results aren't too surprising; each HSK level gives you a mix of both high frequency words, and lower frequency (but probably still very useful) words, e.g. the least frequently used word in level 1 is&nbsp;汉语, although it is quite useful to be able to say the name of the language that you are learning! Nouns such as