Shivers down our spines?  High-register word!

• 02.072 than he gave an awful howl.
• 02.080 It made him howl,
• 04.012 The wind was howling
• 04.033 The Great Goblin gave a truly awful howl of rage
• 04.036 howls, growls and curses;
• 04.044 and howls
• 06.049 All of a sudden they heard a howl away down hill,
• 06.049 a long shuddering howl.
• 06.049 It was wolves howling at the moon,
• 06.056 for there were howls all round them now,
• 06.058 howling into the clearing.
• 06.065 while those that were burning were running about howling
• 06.067 and hear the howling
• 06.070 and howling round the trunks,
• 06.082 There was a howl of anger
• 07.132 in which there came the howl of hunting wolves
• 17.048 and howls rent the air afar.
• 17.059 The bodyguard of Bolg came howling against them,