officiation vs officiating

officiation and officiating both are nouns.

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

As nouns, officiation and officiating are synonyms defined as:

Other synonyms of officiation include refereeing, umpirage.

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