IPA: /ˈmoʊtəˌbaɪk/
KK: /ˈmoʊtərˌbaɪk/
A two-wheeled vehicle that is powered by a motor and is often used for transportation or recreation.
He rode his motorbike to work every day.
Motorbike → It is formed from "motor" (from Latin "movere", meaning to move) and "bike" (short for bicycle, from "bi-" meaning two and "cyclus" meaning circle or wheel). The word "motorbike" refers to a two-wheeled vehicle that moves using a motor.
Think of a vehicle that moves ('movere') and has two wheels ('bi-' and 'cyclus') — that's what a motorbike is.
No commonly confused words.