There is an animal called a "sea urchin", is that what you mean? "Erchants" is not an English word.
Possible rhymes for "sea erchants" include "me merchants" and "free purchase."
Poltergeist.
glee rhymes with sea and means rejoicing
Pea is a shade of green. Pea rhymes with three.
Bee,sea,me
Geranium tea
submarine
Sea-do (the boat) Selahgirl
teeth
hake
sea gull
Leeds
No, sea does not rhyme with summary. "Sea" ends with the /iΛ/ sound, while "summary" ends with the /Ιri/ sound.
Spongebob squarepants!