How to say "induction" in Japanese

• 誘導ゆうどうJLPT N1approx.Common
  noun, suru verb, transitive verbIts primary meaning is guidance or leading — showing someone the way. The 'induction' it covers is technical, as in physics, and is not the reasoning sense; for that, use 推論.
  水先案内人みずさきあんないにんは船ふねを港みなとに誘導ゆうどうする。↗

  A pilot guides the ship toward the port.
• 推論すいろんCommon
  suru verb, transitive verb, no-adjectiveCovers induction as reasoning from particular cases to a general conclusion, in logic or everyday thinking. It is the broad word for inference, so it also covers deduction.
  言語げんごがどのように始はじまったのかについてはいくつも推論すいろんはあるが、実じつはだれもあまり知しらない。↗

  There are many guesses about how language began, but the fact is that no one really knows.

Use 誘導 for technical senses of induction, as in physics, and 推論 when 'induction' means reasoning from particular cases to general conclusions; apart from such technical uses, 誘導 means guidance or leading.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 誘導ゆうどうguidance
• 推論すいろんinference
• 帰納きのうinduction
• 誘電ゆうでんinduction
• インダクションinduction
• 帰納法きのうほうinduction
• 感応作用かんのうさようinduction
• 感応かんのうinduction (electromagnetism)