beta test vs trial run

beta test and trial run both are nouns.

Word	Noun	Adjective	Verb	Adverb
beta test	Yes	No	No	No
trial run	Yes	No	No	No

As nouns, trial run is a hypernym of beta test; that is, trial run is a word with a broader meaning than beta test:

beta test: (computer science) a second test of an experimental product (such as computer software) carried out by an outside organization
trial run: trying something to find out about it

Other hypernyms of beta test include test, trial, tryout.

beta test (noun)	trial run (noun)
(computer science) a second test of an experimental product (such as computer software) carried out by an outside organization	trying something to find out about it