Related Clues:

• That's it! More in the water, perhaps
• You fill up inside to create a void
• It's it that sounds like more of an amphibian, perhaps
• It is neither him nor her - more of an amphibian, by the sound of it
• The thing is comparatively amphibious, it seems
• That's it - more amphibious, perhaps
• It sounds more amphibious, perhaps
• It sounds comparatively amphibious
• This will make nothing of the entrance at last
• It sounds like something more in the water, perhaps
• That is it
• Does this sound more amphibious? That's it!
• That's it for a new-sounding start
• Like it?
• That's it for the tune with 'er