That's an increase in its frequency of appearance over the previous congressional session, when the word was uttered only 401 times during a two-year period.
The word was said 401 times by politicians in the two years.
mnli hypothesis: The word was said 401 times by politicians in the two years. premise: That's an increase in its frequency of appearance over the previous congressional session, when the word was uttered only 401 times during a two-year period.