establish vs stultify

establish and stultify both are verbs.

Word	Noun	Adjective	Verb	Adverb
establish	No	No	Yes	No
stultify	No	No	Yes	No

As verbs, stultify is a hyponym of establish; that is, stultify is a word with a more specific, narrower meaning than establish:

establish: establish the validity of something, as by an example, explanation or experiment
stultify: prove to be of unsound mind or demonstrate someone's incompetence

Other hyponyms of establish include prove oneself, prove, contradict, negate.

establish (verb)	stultify (verb)
establish the validity of something, as by an example, explanation or experiment	deprive of strength or efficiency; make useless or worthless
institute, enact, or establish	cause to appear foolish
use as a basis for; found on	prove to be of unsound mind or demonstrate someone's incompetence
place
set up or lay the groundwork for
bring about
build or establish something abstract
set up or found