Did you mean Japanese?
Japanese
adjective
°of or relating to Japan.
"A Japanese saw is one that cuts on the pull stroke rather than on the push stroke."
noun
°A person living in or coming from Japan, or of Japanese ancestry.
"A Japanese will typically have black hair, brown eyes, and pale skin."
°The main language spoken in Japan.
"I’ve been studying Japanese for three years, and I still can’t order pizza in Tokyo!"
synonyms: nihongo