Table 4. Overlap of unique words and N-grams between each style

Read-aloud style only (%) Overlap (%) Conversational style only (%)
Types 25,293 (65.9) 9,450 (24.6) 3,613 (9.4)
2-grams 6,292 (76.9) 355 (4.3) 1,536 (18.8)
3-grams 497 (71.0) 13 (1.9) 190 (27.1)