さなか (translations)→ middle midst
ぬくもり (translations)→ warm warmth
ヒーター (translations)→ heater radiator
炎暑 (translations)→ hot swelter
火 (translations)→ fire flame fuel stove
激情 (translations)→ passion temper
日 (translations)→ date day daylight hour night occasion sun sunlight time
熱 (translations)→ fever popularity
熱気 (translations)→ enthusiasm