undertake vs specify

undertake and specify both are verbs.

Word	Noun	Adjective	Verb	Adverb
undertake	No	No	Yes	No
specify	No	No	Yes	No

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

undertake: enter into a contractual arrangement
specify: specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement

Other hyponyms of undertake include stipulate, sign, condition, qualify, stipulate, lease, rent, charter, hire, lease, rent.

undertake (verb)	specify (verb)
promise to do or accomplish	design or destine
enter into a contractual arrangement	define clearly
enter upon an activity or enterprise	select something or someone for a specific purpose
accept as a charge	be specific about
accept as a challenge	decide upon or fix definitely
	specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement
	determine the essential quality of