difference vs arguing

difference and arguing both are nouns.

Word	Noun	Adjective	Verb	Adverb
difference	Yes	No	No	No
arguing	Yes	No	No	No

As nouns, arguing is a hyponym of difference; that is, arguing is a word with a more specific, narrower meaning than difference:

difference: a disagreement or argument about something important
arguing: a contentious speech act; a dispute where there is strong disagreement

difference (noun)	arguing (noun)
the quality of being unlike or dissimilar	a contentious speech act; a dispute where there is strong disagreement
a disagreement or argument about something important
a variation that deviates from the standard or norm
the number that remains after subtraction; the number that when added to the subtrahend gives the minuend
a significant change