stain vs cloven hoof

stain and cloven hoof both are nouns.

Word	Noun	Adjective	Verb	Adverb
stain	Yes	No	Yes	No
cloven hoof	Yes	No	No	No

As nouns, cloven hoof is a hyponym of stain; that is, cloven hoof is a word with a more specific, narrower meaning than stain:

Other hyponyms of stain include demerit, bar sinister, bend sinister, cloven foot.

stain (noun)	cloven hoof (noun)
an act that brings discredit to the person who does it	a hoof divided into two parts at its distal extremity (as of ruminants or swine)
a soiled or discolored appearance	the mark of Satan
a symbol of disgrace or infamy
anything regarded as making something unclean
(microscopy) a dye or other coloring material that is used in microscopy to make structures visible

stain (verb)	cloven hoof (verb)
produce or leave stains
color with a liquid dye or tint
color for microscopic study
make dirty or spotty, as by exposure to air; also used metaphorically