We dont know why they were distinguished, only that we can trace back some words to either of the two forms. 영어 단어 톤은 악기의 줄을 뜻하는 그리스어 톤노스에서 유래한 것으로, 줄이 늘어나는 것을 뜻합니다. Come visit our website at for more Good Words and other language resources!