See Corpus – Merriam Webster

plural corpora

corpus : the body of a human or animal especially when dead

the main part or body of a bodily structure or organ the corpus of the uterus
the main body or corporeal substance of a thing specifically: the principal of a fund or estate as distinct from income or interest
all the writings or works of a particular kind or on a particular subject especially: the complete works of an author
a collection or body of knowledge or evidence especially: a collection of recorded utterances used as a basis for the descriptive analysis of a language