contemplation vs contemplate

contemplation is a noun but contemplate is not a noun.

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

contemplation (noun)	contemplate (noun)
a long and thoughtful observation
a calm, lengthy, intent consideration

contemplation (verb)	contemplate (verb)
	think intently and at length, as for spiritual purposes
	reflect deeply on a subject
	consider as a possibility
	look at thoughtfully; observe deep in thought