endometritis vs metritis

endometritis and metritis both are nouns.

Word	Noun	Adjective	Verb	Adverb
endometritis	Yes	No	No	No
metritis	Yes	No	No	No

As nouns, endometritis and metritis are synonyms defined as:

endometritis and metritis: inflammation of the lining of the uterus (of the endometrium)

endometritis (noun)	metritis (noun)
inflammation of the lining of the uterus (of the endometrium)	inflammation of the lining of the uterus (of the endometrium)