thankyou geo and headley im no typist either and my spelling is the worlds worst anyway that leaves just one to get so here goes "14 Misshape to stress a point" my answers for no 13 exhale 15 sistine chapel
Are you sure that 28 = nub? i have a different answer as the clue states "of the matter". My answer also starts with N but ends in S - giving a musical instrument of saxophone.