run-time error vs semantic error

run-time error and semantic error both are nouns.

Word	Noun	Adjective	Verb	Adverb
run-time error	Yes	No	No	No
semantic error	Yes	No	No	No

As nouns, run-time error and semantic error are synonyms defined as:

run-time error and semantic error: an error in logic or arithmetic that must be detected at run time

Other synonyms of run-time error include runtime error.

run-time error (noun)	semantic error (noun)
an error in logic or arithmetic that must be detected at run time	an error in logic or arithmetic that must be detected at run time