1.   flute   trumpet   bugle   guitar   Hint Half-n-half Clue   2.   butter   yoghurt   cheese   milk   Half-n-half Clue   3.   chair   stool   sofa   table   Half-n-half Clue   4.   pool   pond   water   lake   Half-n-half Clue   5.   jog   walk   sit   run   Half-n-half Clue   6.   bungalow   cottage   hut   farm   Half-n-half Clue   7.   stream   brook   pond   river   Half-n-half Clue