noun
Refers to the Japanese language as a whole, including spoken and written forms. The reading にっぽんご is a less common variant, sometimes used in formal or nationalistic contexts.
日本語を勉強しています。
I am studying Japanese.
彼は日本語が上手ですね。
He is good at Japanese, isn't he?
Standard kanji spelling; the most common written form.
Compound of 日本 (にほん, Japan) + 語 (ご, language). The reading にっぽんご uses the alternative reading にっぽん for 日本, which is less common in modern standard Japanese but still recognized.