Aeroplane-Airplane | Commonly Confused Words

Aeroplane

/ˈeərəpleɪn/

A vehicle with wings that can fly through the air, used for transporting people or goods

/ˈeəpleɪn/

A vehicle with wings and an engine that can fly through the air, transporting people or goods

This word has no antonyms

Aeroplane is more commonly used in British English, reminiscent of the grandeur of early aviation.
Airplane is the American English spelling, perhaps easier to spell with fewer letters.
Remember aero relates to air, which can help recall its British usage in places like aerodrome.
Both words refer to the same flying vehicle, just regional spelling preferences.
Think of air being in the name for American usage, reflecting a straightforward style.