long-term vs long-run

long-term and long-run both are adjectives.

Word	Noun	Adjective	Verb	Adverb
long-term	No	Yes	No	No
long-run	No	Yes	No	No

As adjectives, long-term and long-run are synonyms defined as:

long-term and long-run: relating to or extending over a relatively long time

Other synonyms of long-term include semipermanent.

long-term (adjective)	long-run (adjective)
relating to or extending over a relatively long time	relating to or extending over a relatively long time