
1) Drill 2) Exercise 3) Extra studying before a test 4) Practice 5) Practice session 6) Recitation 7) Renew a skill 8) Review 9) Review for an exam 10) Review for finals
Found on
https://www.crosswordclues.com/clue/brushup
noun practice intended to polish performance or refresh the memory
Found on
https://www.encyclo.co.uk/local/20974

the act or process of reviewing a subject, technique, or the like, for the purpose of renewing the memory, skill, etc.: He gave his Spanish a brushup before his trip to Mexico. · the act or process of eliminating or repairing minor flaws: He gave the collection a final brushup before putting it on display.
Found on
https://www.infoplease.com/dictionary/brushup
No exact match found.