• 厳格げんかく — strict / rigorous
• 厳重げんじゅう — stringent / strict
• 厳選げんせん — carefully selected
• 厳寒げんかん — severe cold
• 厳命げんめい — strict order
• 威厳いげん — dignity / authority
• 厳きびしい — strict / harsh

厳 combines the cliff radical 厂 with elements that intensify formality and control. It often conveys severity, solemnity, and dignified authority in both everyday and formal words.