独 - single, alone, spontaneously

originality

one's own judgement (judgment); decision made without consulting others; arbitrary decision

self-education; self-instruction; self-study

(instrumental) solo; recital

monopoly; monopolization; exclusivity

Germany

spinning top

solo; solo performance

dictatorship; despotism; autocracy

vocal solo

peculiarity; uniqueness; characteristic

soliloquy; monologue; speaking to oneself