The term 'fivefold' is used to describe something that has been increased five times in size or quantity. It can also be used to describe something that has five parts or components. The crossword solutions for this term are 'quintuple' (9 letters) and 'quintuplicate' (13 letters). 'Quintuple' means five times as much, while 'quintuplicate' means to make five copies of something. Both terms refer to the same concept of increasing something five times.