"the head lowers", describing a display of respect.

soul, spirit / vigor/vigour, willpower

proclaim, announce / say

projectile

pearl, gem, jewel

piece of jade used in ancient China

a ball / a orb / a sphere / a bead of an abacus / lens / a bullet / an egg, especially of a chicken / a gem, jewel / an object of value / a female entertainer (geisha, prostitute, etc.)

an egg

(religion, folklore) a soul, spirit / mind, spirit, vigor/vigour, willpower / (figuratively) spirit (manner or style of something, enthusiasm) / (figuratively, by extension) attitude, readiness

a spirit or demon