The academic spoken word list
The ASWL contains 1,741 word families with high frequency and wide range in an academic spoken corpus totaling 13 million words.
The hard science spoken word list
A Hard Science Spoken Word List (HSWL) consists of the 1,595 most frequent and wide ranging word families in a 6.5-million running word hard science spoken corpus which represents 12 subjects across two equally-sized sub-corpora.
The soft science spoken word list
The Soft Science Spoken Word List (SSWL) consists of the 1,964 most frequent and wide-ranging word-families in a 6.5 million word corpus of soft-science speech, which represents 12 subjects across two equally-sized sub-corpora