20. A range of kanji; What physical feature could they share? 石 支 丘 奇 イ


Answer: 

石  SEKI, SHAKU, ishi - Stone

支  SHI, sasa(eru) - branch, support

丘  KYUU, oka - hill

奇  KI - strange, curious

イ  katakana "I"

Add Japan's famous symbol, Mount Fuji (山 SAN, yama - mountain).

岩  GAN, iwa - rock

岐  KI - forked road

岳  GAKU, take - mountain peak

崎  saki - cape, headland

仙  SEN - hermit, wizard