craft vs line of work

craft and line of work both are nouns.

Word	Noun	Adjective	Verb	Adverb
craft	Yes	No	Yes	No
line of work	Yes	No	No	No

As nouns, line of work is a hypernym of craft; that is, line of work is a word with a broader meaning than craft:

Other hypernyms of craft include business, job, line, occupation.

craft (noun)	line of work (noun)
the skilled practice of a practical occupation	the principal activity in your life that you do to earn money
a vehicle designed for navigation in or on water or air or through outer space
shrewdness as demonstrated by being skilled in deception
skill in an occupation or trade
people who perform a particular kind of skilled work

craft (verb)	line of work (verb)
make by hand and with much skill