Seamster :: Seamster (n.) One who sews well, or whose occupation is to sew..
Seamstress :: Seamstress (n.) A woman whose occupation is sewing; a needlewoman.
Seamy :: Seamy (a.) Having a seam; containing seams, or showing them..
Unseam :: Unseam (v. t.) To open the seam or seams of; to rip; to cut; to cut open.