填星 （テンセイ） Saturn (planet)

填補 （テンポ） making up (a deficit, loss, etc.), covering, compensation, supplementation, replenishment

充填 （ジュウテン） filling (up), replenishing, filling in (tooth), loading (gun with ammunition, camera with film, etc.), packing, plugging

装填 （ソウテン） loading, charging, filling

嵌める （はめる） to insert, to put in (such that there is a snug fit), to button, to put on (something that envelops, e.g. gloves, ring), to have sex, to fuck, to pigeonhole (into a particular category), to place a ring-shaped object around something (esp. one that restricts freedom, such as handcuffs), to entrap, to set someone up (e.g. frame them for a crime, etc.)