| Word | Reading | Meaning |
| 充実 | じゅうじつ | fullness, completion, perfection, substantiality, enrichment; replenishment, repletion |
| 拡充 | かくじゅう | expansion |
| 補充 | ほじゅう | supplementation, supplement, replenishment, replenishing, replacement, refilling; to replace, to refill, to replenish |
| 充電 | じゅうでん | charging (electrically); electrification |
| 充てる | あてる | to assign, to set aside |
| 充満 | じゅうまん | being filled with, teeming with, pregnant with |
| 充足 | じゅうそく | sufficiency |
| 充当 | じゅうとう | allocation, appropriation |
| 充血 | じゅうけつ | congestion (with blood) |
| 充てがう | あてがう | to allot, to allocate; to supply with, to furnish; to fit to, to fasten to, to apply to |