

息子は今年、小学生になりました。
息子さんは何歳ですか。
息子は野菜が好きじゃありません。
"むすこ(息子)" is in the lesson "Family 2" (Level 24), along with 13 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.