describe vs key out

describe and key out both are verbs.

Word	Noun	Adjective	Verb	Adverb
describe	No	No	Yes	No
key out	No	No	Yes	No

As verbs, describe and key out are synonyms defined as:

Other synonyms of describe include discover, distinguish, identify, key, name.

describe (verb)	key out (verb)
identify as in botany or biology, for example	identify as in botany or biology, for example
give a description of
to give an account or representation of in words
make a mark or lines on a surface