threnody vs requiem

threnody and requiem both are nouns.

Word	Noun	Adjective	Verb	Adverb
threnody	Yes	No	No	No
requiem	Yes	No	No	No

As nouns, threnody and requiem are synonyms defined as:

threnody and requiem: a song or hymn of mourning composed or performed as a memorial to a dead person

Other synonyms of threnody include coronach, dirge, lament.

threnody (noun)	requiem (noun)
a song or hymn of mourning composed or performed as a memorial to a dead person	a song or hymn of mourning composed or performed as a memorial to a dead person