充てがう[ategau] to allot
拡充[kakujuu] expansion
経営基盤の充実[keieikibannojuujitsu] fulfillment of management base
事業拡充[jigyoukakujuu] business expansion
充てる[ateru] to assign

充溢[juuitsu] overflow
充員[juuin] reserves
充血[juuketsu] congestion (with blood)
充血した[juuketsushita] congested
充血した目[juuketsushitame] inflamed eyes

ビタミン剤[bitaminzai] vitamin pills
ビラン剤[biranzai] blister agent
育毛剤[ikumouzai] (hair) tonic
下剤[gezai] laxative
化学剤[kagakuzai] chemical agent

可塑剤[kasozai] plasticizer
解毒剤[gedokuzai] antidote
解熱剤[genetsuzai] fever medicine
滑沢剤[kattakuzai] lubricant
乾燥剤[kansouzai] drying agent

充填[juuten] fill (up)
装填[souten] charge
填める[uzumeru] to cover
填める[hameru] to insert
填め込む[hamekomu] to inlay

填る[hamaru] to fit
補填[hoten] compensating
填補[tenpo] supplementation
填り役[hamariyaku] well-suited role
填隙[tengeki] caulking