The term PREFIX WITH PHONE can be broken down into two crossword solutions, TELE and MEGA. TELE is a prefix derived from the Greek word for 'FAR' and is used to refer to something that is distant or remote. It is commonly used in telecommunications, such as telephone, television, and telegraph. MEGA is a prefix derived from the Greek word for 'GREAT' and is used to refer to something that is very large or powerful. It is commonly used in technology, such as megabyte, megaphone, and megawatt. Both TELE and MEGA are prefixes that can be used with the word PHONE to create words such as telephone, telephoto, megaphone, and megapixel.