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)
... spina bifida X linked[?] Anencephaly Aneurysm of sinus of Valsalva[?] Aneurysm, intracranial berry[?] Aneurysm[?] Angel shaped phalangoepiphyse ...