mentation：精神作用，心理状态 

词根词缀： -ment-记忆,智力 + -ation名词词尾

• Scorpio
• scorpion
• Scot
• Scotch
• scotch
• scot-free
• scoundrel
• scour
• scourer
• scourge
• scout
• scrabble
• scrag
• scraggy
• scram
• scramble
• scrambler
• scrap
• scrapbook
• scrape
• scraper
• scrapie
• scraping
• scrappy
• scrapyard