• overcomed,
• overpayed,
• overlayed,
• iverjoyed,
• kverjoyed,
• lverjoyed,
• pverjoyed,
• 0verjoyed,
• 9verjoyed,
• oveejoyed,
• overjioyed,
• ovejoyed,
• overjyed,
• overjoyd,
• overjoied,
• Overslyde,
• amoverjoyed,
• overjoid,
• overjayed,
• oberwoed

• overcrowd,
• overgrown,
• overcrop,
• overgrow,
• oversexed,
• overaged,
• overjealous,
• overgreedy,
• overgrowth,
• overgorge,
• Overson,
• overcome,
• oversized,
• overcomer.

The adverb form of "overjoyed" is "overjoyedly".

The adjective form of the word "overjoyed" is "overjoyed".

The plural form of the word "overjoyed" is not commonly used, as it is typically used to describe an individual's emotions. However, if you are referring to a group of people all experiencing extreme happiness, you could say they are "all overjoyed".

The singular form of the word "overjoyed" is "overjoy"