The Japanese word for water is mizu which is spelled like this in hiragana: みず
It's おんがく (Ongaku) in hiragana.
The Japanese word for friend is tomodachi which is spelled like this in hiragana: ともだち
Kanji: 食べ物 Hiragana: たべもの Romaji: tabemono
The word "to learn" in Japanese is "narau" and the hiragana for that is ならう
はなす /ha na su/ is hiragana for 'hanasu', meaning 'to speak' in Japanese.
病気 /byou ki/ means 'disease', hiragana spelling of the word is びょうき.
Chibi is the Japanese word for 'Runt'. ちび in Hiragana.
In romaji, it's kara, or から in hiragana.
おたま
たべる taberu
Shirt (shatsu) is usually written in Katakana because it is a western word. If you want to write it in kana it is シャツ The hiragana is しゃつ