| profundity(noun, extent, bottom, thoughts, depth) |
| depth(noun, force, power, fall, passion) |
| drop(noun, fall, surface, hole, bottom) |
| profoundness(noun, extent, bottom, thoughts, depth) |
| astuteness(noun, wisdom, perceptiveness, depth) |
| abyss(noun, fall, descent) |
| lowness(noun, extent, bottom, lowness, resonance) |
| bottom(noun, extent, depth, lowness, resonance) |
| pitch(force, extreme, intensity, extent, bottom) |
| abstruseness |
| intensity(noun, force, power, passion, strength) |
| reconditeness(noun, depth) |
| sonority(noun, lowness, resonance) |
| sounding(noun, depth, resonance, sonority) |
| abstrusity |
| acuteness(noun, force, power, passion, strength) |
| anxiety(noun, force, power, passion, strength) |
| ardor(noun, force, power, passion, strength) |
| complexity |
| complication |