1.   January   November   August   December   Hint Half-n-half Clue   2.   Earth   Moon   Mars   Pluto   Half-n-half Clue   3.   guitar   violin   trumpet   harp   Half-n-half Clue   4.   tree   man   mouse   paper   Half-n-half Clue   5.   pond   water   lake   pool   Half-n-half Clue   6.   silver   platinum   ivory   gold   Half-n-half Clue   7.   bugle   trumpet   guitar   flute   Half-n-half Clue