single, alone, spontaneously, Germany

Radicals

• 孤独【こどく】
  solitude, loneliness, isolation
• 独創【どくそう】
  originality
• 独自【どくじ】
  original, unique, distinctive, characteristic, peculiar, independent, one's own, personal
• 独占【どくせん】
  monopoly, monopolization, exclusivity, hogging, keeping to oneself
• 単独【たんどく】
  sole, single, solo, independence, singleness, singularity