Seam (Noun) = A line where two pieces of fabric are sewn together in a garment or other article.
Synonyms: Join, Joint, Juncture, Line, Suture
Example: He uses small stitches so that the seam is not obvious.
Seem (Verb) = Give the impression of being something or having a particular quality.
Synonyms: Appear, Assume, Imply, Look, Sound
Example: He seemed annoyed as his demands are not fulfilled.