sift vs choose

sift and choose both are verbs.

Word	Noun	Adjective	Verb	Adverb
sift	No	No	Yes	No
choose	No	No	Yes	No

As verbs, choose is a hypernym of sift; that is, choose is a word with a broader meaning than sift:

Other hypernyms of sift include pick out, select, take.

sift (verb)	choose (verb)
distinguish and separate out	pick out, select, or choose from a number of alternatives
separate by passing through a sieve or other straining device to separate out coarser elements	see fit or proper to act in a certain way; decide to act in a certain way
check and sort carefully	select as an alternative over another
move as if through a sieve