Oversubscription is a term used to describe a situation where there are more applicants for a particular service or product than can be accommodated. However, there are other synonyms for the word oversubscription that can be used in different contexts. These include overbooking, overallocation, overenrollment, overselling, and overcapacity. Overbooking is commonly used in the airline and hotel industry to describe a situation where more reservations have been made than there are available seats or rooms. Overallocation refers to a situation where more resources have been allocated than what is necessary, while overenrollment describes a situation where more students have been admitted to a course than the maximum capacity. Overselling is used to describe a situation where products or services have been sold beyond their available stock, while overcapacity describes a situation where there are more resources or facilities than necessary.