premeditate vs contemplate

premeditate and contemplate both are verbs.

Word	Noun	Adjective	Verb	Adverb
premeditate	No	No	Yes	No
contemplate	No	No	Yes	No

As verbs, contemplate is a hypernym of premeditate; that is, contemplate is a word with a broader meaning than premeditate:

Other hypernyms of premeditate include chew over, excogitate, meditate, mull, mull over, muse, ponder, reflect, ruminate, speculate, think over.

premeditate (verb)	contemplate (verb)
consider, ponder, or plan (an action) beforehand	think intently and at length, as for spiritual purposes
think or reflect beforehand or in advance	reflect deeply on a subject
	consider as a possibility
	look at thoughtfully; observe deep in thought