Anagrams of: _DHNNOOU

• a room or building equipped with one or more toilets

• youngest son of Henry II; King of England from 1199 to 1216; succeeded to the throne on the death of his brother Richard I; lost his French possessions; in 1215 John was compelled by the barons to sign the Magna Carta (1167-1216)

• (New Testament) disciple of Jesus; traditionally said to be the author of the 4th Gospel and three epistles and the book of Revelation

• a prostitute's customer

• the last of the four Gospels in the New Testament

• A quadrangle or court, as of a prison; a prison.

• Confinement in a prison.

• the main tower within the walls of a medieval castle or fortress

• take off a hook

• a Greek liquor flavored with anise

• the facility where wild animals are housed for exhibition

• a sport adapted from jujitsu (using principles of not resisting) and similar to wrestling; developed in Japan

• The ring, made of compacted clay, in which a sumo wrestling match is held.

• A training facility, usually led by one or more sensei; a hall or room used for such training.

• (by extension) A room or other facility used for other activities, such as meditation or software development.

• The dojo loach, Japanese weather loach, or pond loach (Misgurnus anguillicaudatus), a freshwater fish native to East Asia.