officiation vs refereeing

officiation and refereeing both are nouns.

Word	Noun	Adjective	Verb	Adverb
officiation	Yes	No	No	No
refereeing	Yes	No	No	No

As nouns, officiation and refereeing are synonyms defined as:

Other synonyms of officiation include officiating, umpirage.

officiation (noun)	refereeing (noun)
the act of umpiring	the act of umpiring
the performance of a religious or ceremonial or public duty