The term .COM ALTERNATIVE can be solved by the 3 letter word NET. NET is an acronym for Network, which is a system of interconnected computers and other devices that are able to communicate with each other. It is used to access the internet and share information between computers. .COM ALTERNATIVE refers to any other domain name extension besides .com, such as .NET, .org, .edu, etc. These alternative domain names are becoming increasingly popular as they provide more options for businesses and individuals to create unique web addresses.