chase vs tailing

chase and tailing both are nouns.

Word	Noun	Adjective	Verb	Adverb
chase	Yes	No	Yes	No
tailing	Yes	No	No	No

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

Other hyponyms of chase include tracking, trailing, shadowing, stalk, stalking.

chase (noun)	tailing (noun)
the act of pursuing in an effort to overtake or capture	the act of following someone secretly
a rectangular metal frame used in letterpress printing to hold together the pages or columns of composed type that are printed at one time

chase (verb)	tailing (verb)
cut a groove into
cut a furrow into a columns
go after with the intent to catch
pursue someone sexually or romantically