| Word | Reading | Meaning |
| 濃度 | のうど | concentration, thickness, density; cardinality |
| 濃厚 | のうこう | density, richness, concentration, tension |
| 濃縮 | のうしゅく | concentrated |
| 濃淡 | のうたん | light and shade, shade (of colour, color) |
| 濃密 | のうみつ | thick, rich (as in taste or content); crowded |
| 濃い | こい | deep (colour), dark; strong (flavour, smell, etc.); thick (consistency), dense; strong (possibility, etc.); thick (i.e. "as thick as thieves"), close, deep (love, etc.) |
| 濃霧 | のうむ | heavy fog, dense fog, thick fog |
| 濃紺 | のうこん | dark blue |
| 濃 | こ | dark, thick |
| 濃やか | こまやか | friendly, heartfelt, tender |