Kick starter and Starter motor

Kick starter noun - A starter (as on a motorcycle) that is activated with the foot and the weight of the body.

Starter motor and kick starter are semantically related. In some cases you can use "Starter motor" instead a noun phrase "Kick starter".

Starter motor noun - An electric motor for starting an engine.

Kick starter and starter motor are semantically related. Sometimes you can replace phrase "Kick starter" with "Starter motor", this phrases are similar.