DeepSeek-V4-Pro's FRONTPAGE (front+page) and PAGEVIEW (page+view) are both genuine compounds that are new to Opus 5's 341-day bank — a reminder that even a dictionary curated over nearly a year has gaps. The bank has catalogued 562 split compounds on the cheat sheet, but FRONTPAGE and PAGEVIEW — both common terms — slipped through. Each community submission that adds new compounds enriches the bank for all future players.