combine vs combination

combine and combination both are nouns.

Word	Noun	Adjective	Verb	Adverb
combine	Yes	No	Yes	No
combination	Yes	No	No	No

combine (noun)	combination (noun)
harvester that heads and threshes and cleans grain while moving across the field	the act of combining things to form a new whole
an occurrence that results in things being united	the act of arranging elements into specified groups without regard to order
a consortium of independent organizations formed to limit competition by controlling the production and distribution of a product or service	a collection of things that have been combined; an assemblage of separate parts or qualities
	a group of people (often temporary) having a common purpose
	a sequence of numbers or letters that opens a combination lock
	an alliance of people or corporations or countries for a special purpose (formerly to achieve some antisocial end but now for general political or economic purposes)
	a coordinated sequence of chess moves

combine (verb)	combination (verb)
mix together different elements
put or add together
combine so as to form a whole; mix
gather in a mass, sum, or whole
add together from different sources
join for a common purpose or in a common action
have or possess in combination