The crossword solution for the term 'LIKE ONLY ONE PRIME' is EVEN, which is a four-letter word. EVEN is an adjective that means 'level, flat, and regular, ' or 'divisible by two.' It is also used to describe a number that is not divisible by any other number except itself and one, which is known as a prime number. Therefore, the phrase 'LIKE ONLY ONE PRIME' can be interpreted as 'being like a prime number, ' or having the same qualities as a prime number.