valuate：对…作估价，对…作评价

词根词缀： -val-价值 + -u- + -ate动词词尾

• unknown
• unlawful
• unless
• unlimited
• unload
• unlock
• unloose
• unmoral
• unnatural
• unnecessary
• unnerve
• unpaid
• unplaced
• unputdownable
• unravel
• unreconstructed
• unregenerate
• unrelenting
• unrequited
• unrest
• unscathed
• unscramble
• unsolicited
• unsophisticated
• unsound