Nippon:2 pponppon2.
The on'yomi readings nippon and nihon became more common in the Heian period, with both persisting into modern use. The nihon reading appears to be the most common in everyday.
NIHONNIPPON NIHONNIPPON
Nippon Nihon .
Nippon
japannipponJapan1Japan [Yatpun] [Japan], [Jih.
TokyoOsakaKyoto
JapanNipponNipponJapanNippon.
(ni hon) (nippon) (japan) .
Nippon Nippon .