coalition vs fusion

coalition and fusion both are nouns.

Word	Noun	Adjective	Verb	Adverb
coalition	Yes	No	No	No
fusion	Yes	No	No	No

As nouns, coalition and fusion are synonyms defined as:

coalition (noun)	fusion (noun)
the union of diverse things into one body or form or group; the growing together of parts	the act of fusing (or melting) together
an organization of people (or countries) involved in a pact or treaty	correction of an unstable part of the spine by joining two or more vertebrae; usually done surgically but sometimes done by traction or immobilization
the state of being combined into one body	the combining of images from the two eyes to form a single visual percept
	an occurrence that involves the production of a union
	a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
	the merging of adjacent sounds or syllables or words
	the state of being combined into one body