

一番好きなかもくは何ですか。
数学はずっと苦手なかもくです。
今学期はかもくが多くて大変です。
"かもく(科目)" is in the lesson "Classroom" (Level 9), along with 10 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.