Compounds of 話題

• 話題
  (n,adj-no) topic
  subject
  (P)
• 話題作
  (n) much-discussed work (book, film, etc.)
• 話題沸騰
  (n) being much talked about
  creating a stir
  being the talk of town
• 話題になる
  (exp) to be in the news
  to be talked about
  to become a popular topic of conversation
  to become the talk of the town
  to become topical