to-do vs disruption

to-do and disruption both are nouns.

Word	Noun	Adjective	Verb	Adverb
to-do	Yes	No	No	No
disruption	Yes	No	No	No

As nouns, to-do and disruption are synonyms defined as:

Other synonyms of to-do include commotion, disturbance, flutter, hoo-ha, hoo-hah, hurly burly, kerfuffle.

to-do (noun)	disruption (noun)
a disorderly outburst or tumult	the act of causing disorder
	an act of delaying or interrupting the continuity
	an event that results in a displacement or discontinuity
	a disorderly outburst or tumult