指導【しどう】
guidance, leadership, instruction, direction, coaching, shido (disciplinary action for a minor infringement of the rules of judo)
導入【どうにゅう】
introduction, bringing in, installation, setting up, importation, introduction (to a story, lecture, etc.), introductory part
主導【しゅどう】
leadership, initiative, spearhead
半導体【はんどうたい】
semiconductor, solid-state
誘導【ゆうどう】
guidance, leading, induction, introduction, incitement, inducement
先導【せんどう】
guidance, leadership, leading the way
導火線【どうかせん】
fuse