Abstract
This paper describes the differences in the use of "Dandan" and "Masumasu". According to the data from Tsukuba Web Corpus, we have observed that verb "Fueru" co-occurs most frequently with "Dandan" and "Masumasu". Through the analysis of the sentences, we found that "Dandan Fueru" can be used to indicate an increase from "nothing or a little", whereas "Masumasu Fueru" is only used to indicate an increase or a significant increase from "a lot". In addition, "Masumasu" can also be used as a polite expression.
