by-line vs pursuit

by-line and pursuit both are nouns.

Word	Noun	Adjective	Verb	Adverb
by-line	Yes	No	No	No
pursuit	Yes	No	No	No

As nouns, by-line and pursuit are synonyms defined as:

Other synonyms of by-line include avocation, hobby, sideline, spare-time activity.

As nouns, pursuit is a hypernym of by-line; that is, pursuit is a word with a broader meaning than by-line:

by-line: an auxiliary activity
pursuit: a diversion that occupies one's time and thoughts (usually pleasantly)

Other hypernyms of by-line include interest, pastime.

by-line (noun)	pursuit (noun)
an auxiliary activity	the act of pursuing in an effort to overtake or capture
a line giving the name of the writer of a story or article	a diversion that occupies one's time and thoughts (usually pleasantly)
	an auxiliary activity
	a search for an alternative that meets cognitive criteria