In Homer's epic poem "The Odyssey," Odysseus encounters a woman named Nausicaa on the island of Scheria. Nausicaa is the daughter of King Alcinous and Queen Arete. The poem does not mention Odysseus suspecting that the woman he sees is Achilles in disguise. However, it's important to note that Achilles is not present in the story at this point, as he had died years before the events of "The Odyssey" take place. Achilles' story is primarily depicted in Homer's other epic, "The Iliad."
It's possible that you might be referring to another context or a different story in which Odysseus encounters Achilles in disguise. If you can provide more specific details or context, I would be happy to assist you further.