Japanese poetry important Edo period (1603 and 1867, also known as "Tokugawa") and modern times; however, the history of poetry often is different than socio-political history. Since the middle of the 19th century, the major forms of Japanese poetry have been "tanka" (the modern name for "waka"), "haiku" and "shi" or western-style poetry. Today, the main forms of Japanese poetry include both experimental poetry and poetry that seeks to revive traditional ways. Poets writing in tanka, haiku and shi may seldom write poetry other than in their specific chosen form, although some active poets are eager to collaborate with poets in other
Mora (linguistics) moraic system of writing. For example, in the two-syllable word "mōra", the "ō" is a long vowel and counts as two morae. The word is written in three symbols, モーラ, corresponding here to , each containing one mora. Such scholars also argue that the 5/7/5 pattern of the haiku in modern Japanese is of morae rather than syllables. The Japanese syllable-final "n" is also said to be moraic, as is the first part of a geminate consonant. For example, the Japanese name for "Japan", 日本, has two different pronunciations, one with three morae ("Nihon") and one with four ("Nippon"). In