different between comprehension vs cognisance

English

Borrowed from Middle French compréhension, from Latin comprehensi? (“taking together”), from com- (“with, together”) +? prehend? (“take”).

comprehension (countable and uncountable, plural comprehensions)

thorough understanding
(logic) The totality of intensions, that is, attributes, characters, marks, properties, or qualities, that the object possesses, or else the totality of intensions that are pertinent to the context of a given discussion.
(programming) A compact syntax for generating a list in some functional programming languages.
(Christianity) The inclusion of nonconformists within the Church of England.

cognisance (countable and uncountable, plural cognisances)

Alternative spelling of cognizance
- 1919, Ronald Firbank, Valmouth, Duckworth, hardback edition, page 28
  She has no real cognisance, dear lambkin, of anything at all.

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