1.   copper   aluminum   iron   carbon   Hint Half-n-half Clue   2.   trumpet   bugle   guitar   flute   Half-n-half Clue   3.   silver   gold   platinum   ivory   Half-n-half Clue   4.   stool   sofa   chair   table   Half-n-half Clue   5.   January   August   November   December   Half-n-half Clue   6.   spear   dagger   arrow   shield   Half-n-half Clue   7.   chair   cupboard   table   wood   Half-n-half Clue