換喩 is read as かんゆ (kanyu) and means metonymy.
かんゆ
kanyu
かんゆご
metonym
かんざん
conversion (e.g. yen to dollars)
かんき
ventilation
かんきん
realization (of goods into money)
かんちけいかく
land replotting plan
かんちしょぶん
allocation of replotted land
かんきていか
hypoventilation
かんきこう
vent
かんち
replotted land
かんさんけいすう
conversion factor
かんざんひょう
conversion table
かんげん
saying in other words