| confound |
| confounding(noun, uncertainty, perplexity, bewilderment, puzzlement) |
| confusions |
| conquer |
| consternation(noun, trouble, difficulty, uncertainty, mistake) |
| corrosion(noun, drop, decline, decay, degradation) |
| crack-up |
| crumble |
| crumbling(noun, drop, decline, decay, degradation) |
| daze(noun, trouble, difficulty, uncertainty, mistake) |
| debasement(decline, decay, degeneration, weakening, worsening) |
| decadence(noun, drop, decline, decay, degradation) |
| decay(noun, drop, decline, degradation, slump) |
| decaying(noun, drop, decline, decay, degradation) |
| declension(noun, drop, decline, decay, degradation) |
| declination(noun, drop, decline, decay, degradation) |
| decline(noun, drop, decay, degradation, slump) |
| decomposition(noun, drop, decline, decay, degradation) |
| degeneration(noun, drop, decline, decay, degradation) |
| degradation(decline, decay, degeneration, weakening, worsening) |