tell apart vs stratify

tell apart and stratify both are verbs.

Word	Noun	Adjective	Verb	Adverb
tell apart	No	No	Yes	No
stratify	No	No	Yes	No

As verbs, stratify is a hyponym of tell apart; that is, stratify is a word with a more specific, narrower meaning than tell apart:

tell apart (verb)	stratify (verb)
mark as different	render fertile and preserve by placing between layers of earth or sand
detect with the senses	form layers or strata
	form, arrange, or deposit in layers
	divide society into social classes or castes
	develop different social levels, classes, or castes