iいつけるitsukeruiitsuけるkeruいいつ言付iitsuけるkeru
1.

To instruct someone to carry out a specific action or task.

2.

To give a directive or command, often implying a sense of authority.

3.

To request or assign someone to perform a duty or responsibility.

4.

To relay information or specifics to someone with the expectation of compliance.

Example:

彼はちゃんと私が言いつけておいたとおりにやった。

ことづ言付kotozuけるkeru
1.

To ask someone to convey a message or deliver something to another person on your behalf.

2.

To give instructions or commands to someone, often implying a hierarchical relationship where one party is directing another.

3.

To report or inform someone about a situation, often in the context of relaying information to an authority or third party.

4.

To use something as a pretext or excuse when communicating about a particular matter.