IPA: /əˈpɛl.ər/
KK: /əˈpɛlɚ/
A person who makes an appeal in a legal context, often to challenge a decision or to accuse someone of a crime.
The appellor presented new evidence to support his case in court.
Appellor is derived from the Latin root 'appellare' (meaning to call or name) which is composed of 'ad-' (meaning to) and 'pellere' (meaning to drive or push). The word 'appellor' refers to being called or named, particularly in a legal context.
Think of 'calling' someone ('appellare') to a specific purpose or name, which helps you remember that 'appellor' means to be called or named.
No commonly confused words.