co-ordinator vs coordinator

co-ordinator and coordinator both are nouns.

Word	Noun	Adjective	Verb	Adverb
co-ordinator	Yes	No	No	No
coordinator	Yes	No	No	No

As nouns, co-ordinator and coordinator are synonyms defined as:

co-ordinator and coordinator: someone whose task is to see that work goes harmoniously

co-ordinator (noun)	coordinator (noun)
someone whose task is to see that work goes harmoniously	someone whose task is to see that work goes harmoniously