In obsolete|lang=en terms the difference between what and witch
is that
what is (obsolete) something; thing; stuff while
witch is (obsolete) to practise witchcraft.
As nouns the difference between what and witch
is that
what is (obsolete) something; thing; stuff while
witch is a person who practices witchcraft; specifically: or
witch can be a cone of paper which is placed in a vessel of lard or other fat and used as a taper.
As a pronoun what
is (interrogative) which thing, event, circumstance, etc: used interrogatively in asking for the specification of an identity, quantity, quality, etc.
As an adverb what
is in some manner or degree; in part; partly; usually followed by
with .
As an interjection what
is .
As a determiner what
is which; which kind of.
As a verb witch is
(obsolete) to practise witchcraft.