Example: "I don't like words that have -ism as an ending"
Example: "The termination of the agreement"
Example: "The end of the year"
Example: "His death marked the ending of an era"
Example: "In conclusion i want to say..."
To come to an end
Example: "Is this movie never going to end?"
To finish, terminate.
Example: "The referee blew the whistle to end the game."