Analysis classifies interjections by emotional degree, suggesting variability in expression forms.
§53. The following words may be classified as Interjections. They are of various degrees of emotional character. Some of the forms listed as radical descriptives might very well have been placed here. There is no claim that the list is exhaustive, as there are many such forms which cannot be translated, such as expressions of extreme surprise, imitative sounds, expressions or cries peculiar to certain animals, etc.
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