充電【じゅうでん】
charging (electrically), electrification
充実【じゅうじつ】
fullness, completeness, perfection, substantiality, enhancement, improvement, enrichment, upgrading, replenishment, repletion
補充【ほじゅう】
replenishment, supplementation, supplement, replacement, refilling
拡充【かくじゅう】
expansion
充満【じゅうまん】
being filled with, being full of, permeation
充当【じゅうとう】
allocation, appropriation
充足【じゅうそく】
sufficiency
充てる【あてる】
to assign, to set aside
充血【じゅうけつ】
congestion (with blood), hyperemia, hyperaemia