There are various synonyms that can be used in place of the number "eighty-seven" to avoid repetition in speech or writing. One possible synonym for "eighty-seven" is "87," which is the numerical representation of the amount. Another option is "eighty-seven units," which emphasizes the quantity of the items being discussed. "Almost ninety" could also be a phrase used to convey the concept of 87 without stating the exact number. Additionally, "nearly nine dozen," "seven ten and seven," and "seventy plus 17" are all possible ways to describe the number 87 using different linguistic constructions.