drift away vs estrange

drift away and estrange both are verbs.

Word	Noun	Adjective	Verb	Adverb
drift away	No	No	Yes	No
estrange	No	No	Yes	No

As verbs, estrange is a hypernym of drift away; that is, estrange is a word with a broader meaning than drift away:

drift away: lose personal contact over time
estrange: arouse hostility or indifference in where there had formerly been love, affection, or friendliness

Other hypernyms of drift away include alienate, disaffect.

drift away (verb)	estrange (verb)
lose personal contact over time	arouse hostility or indifference in where there had formerly been love, affection, or friendliness
	remove from customary environment or associations