slipknot

is likely misspelled.

has no English definition.

As a noun slipknot

is an alternative spelling of slip knot.

As nouns the difference between slipknot and noose

is that slipknot is an alternative spelling of slip knot while noose is an adjustable loop of rope, e.g. the one placed around the neck in hangings, or the one at the end of a lasso.

As a verb noose is

to tie or catch in a noose; to entrap or ensnare.

As nouns the difference between taxonomy and slipknot

is that taxonomy is the science or the technique used to make a classification while slipknot is an alternative spelling of slip knot.