Answer:
I am a caribbean shape that makes ships disappear
I have a small hill with seven holes.
In my life I must bare my bloodline I must share.
My first 2 letters signify a male. My first 3 letters signify a female. My first 4 letters signify a great. I signify a great woman. What word am I?
I can generate fear and some say I come out of your ears. I am as quiet as a mouse but not welcomed in the house.
Long and slinky like a trout, never sings till it's guts come out.