miter vs mitral

miter is a noun but mitral is not a noun.

Word	Noun	Adjective	Verb	Adverb
miter	Yes	No	Yes	No
mitral	No	Yes	No	No

miter (noun)	mitral (noun)
a liturgical headdress worn by bishops on formal occasions
the surface of a beveled end of a piece where a miter joint is made
joint that forms a corner; usually both sides are bevelled at a 45-degree angle to form a 90-degree corner

miter (adjective)	mitral (adjective)
	of or relating to or located in or near the mitral valve
	relating to or resembling the miter worn by some clerics

miter (verb)	mitral (verb)
bevel the edges of, to make a miter joint
fit together in a miter joint
confer a miter on (a bishop)