overtaking vs reordering

overtaking and reordering both are nouns.

Word	Noun	Adjective	Verb	Adverb
overtaking	Yes	No	No	No
reordering	Yes	No	No	No

As nouns, reordering is a hypernym of overtaking; that is, reordering is a word with a broader meaning than overtaking:

overtaking: going by something that is moving in order to get in front of it
reordering: a rearrangement in a different order

overtaking (noun)	reordering (noun)
going by something that is moving in order to get in front of it	a rearrangement in a different order