trailing vs pursual

trailing and pursual both are nouns.

Word	Noun	Adjective	Verb	Adverb
trailing	Yes	No	No	No
pursual	Yes	No	No	No

As nouns, pursual is a hypernym of trailing; that is, pursual is a word with a broader meaning than trailing:

trailing: the pursuit (of a person or animal) by following tracks or marks they left behind
pursual: the act of pursuing in an effort to overtake or capture

Other hypernyms of trailing include chase, following, pursuit.

trailing (noun)	pursual (noun)
the pursuit (of a person or animal) by following tracks or marks they left behind	the act of pursuing in an effort to overtake or capture