hectogram or hectogramme/ʹhektəgram/ noun

• feeding frenzy
• feedstock
• feed up
• feel
• feeler
• feeler gauge
• feel-good
• feel hard done by
• feeling
• feel in one's bones
• feel like
• feel one's oats
• feel one's way
• feel the pinch
• feel up to
• fee simple
• feet
• fee tail
• feet/head first
• feet of clay
• feign
• feijoa
• feint
• feisty
• felafel