laissez faire vs doctrine

laissez faire and doctrine both are nouns.

Word	Noun	Adjective	Verb	Adverb
laissez faire	Yes	No	No	No
doctrine	Yes	No	No	No

As nouns, doctrine is a hypernym of laissez faire; that is, doctrine is a word with a broader meaning than laissez faire:

laissez faire: the doctrine that government should not interfere in commercial affairs
doctrine: a belief (or system of beliefs) accepted as authoritative by some group or school

Other hypernyms of laissez faire include ism, philosophical system, philosophy, school of thought.

laissez faire (noun)	doctrine (noun)
the doctrine that government should not interfere in commercial affairs	a belief (or system of beliefs) accepted as authoritative by some group or school