ほんま

Noun

 * 1)   truth, reality
 * 2)  official size of a tatami mat for measuring room size (esp. a Kyoto-size tatami mat), (2) (music) basic rhythm (in traditional Japanese music); (3) (arch) room (in a brothel) of a prostitute of the highest rank; a surname​

Proper noun

 * 1)  a surname