The difference between Accessory and Coadjutor

When used as nouns, accessory means something that belongs to part of another main thing, whereas coadjutor means an assistant or helper.

Accessory is also adjective with the meaning: having a secondary, supplementary or subordinate function by accompanying as a subordinate.

check bellow for the other definitions of Accessory and Coadjutor

Accessory as an adjective:

Having a secondary, supplementary or subordinate function by accompanying as a subordinate; aiding in a secondary way; being additional; being connected as an incident or subordinate to a principal; contributing or being contributory. Said of people and things, and, when of people, usually in a bad sense

Examples:

"She was accessory to the riot."

"'accessory sounds in music"
Accessory as an adjective (legal):

Assisting a crime without actually participating in committing the crime itself.
Accessory as an adjective:

Present in a minor amount, and not essential.

Accessory as a noun:

Something that belongs to part of another main thing; something additional and subordinate, an attachment.

Examples:

"the accessories of a mobile phone"
Accessory as a noun (fashion):

An article that completes one's basic outfit, such as a scarf or gloves.
Accessory as a noun (legal):

A person who is not present at a crime, but contributes to it as an assistant or instigator.
Accessory as a noun (art):

Something in a work of art without being indispensably necessary, for example solely ornamental parts.