The variant knot names are included in the list with redirecting links to the most formal name. (approximately 300 knots are listed at this time)
... myxoma, familial[?] Atrial septal defects[?] Atrioventricular septal defect[?] Atrophoderma of Pierini and Pasini[?] ATR-X[?] Attention Deficit Disorder with ...