key out vs distinguish

key out and distinguish both are verbs.

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

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

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

key out (verb)	distinguish (verb)
identify as in botany or biology, for example	mark as different
	identify as in botany or biology, for example
	be a distinctive feature, attribute, or trait; sometimes in a very positive sense
	make conspicuous or noteworthy
	detect with the senses