To be born out in sth:

To be proven by or evidenced in sth.

"His assertion that the customer was not being entirely truthful was born out in the later events."

To bear somebody/something out

to show that someone is right or that something is true

"The other witnesses will bear me out."

"The other witnesses will bear out what I say."

bear out phrasal verb - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com:

They both look alike in meaning.

Is born a passive form of some plain infinitive?

What is the plain infinitive of born?

To bear out [plain infinitive]

To be bore out [passive]

To have borne out [perfect active]

To be born out in sth:

To be proven by or evidenced in sth.

"His assertion that the customer was not being entirely truthful was born out in the later events."

Alternative link

To bear somebody/something out

to show that someone is right or that something is true

"The other witnesses will bear me out."

"The other witnesses will bear out what I say."

bear out phrasal verb - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com:

They both look alike in meaning.

Is born a passive form of some plain infinitive?

What is the plain infinitive of born?

To bear out [plain infinitive]

To be bore out [passive]

To have borne out [perfect active]

To be born out in sth:

To be proven by or evidenced in sth.

"His assertion that the customer was not being entirely truthful was born out in the later events."

To bear somebody/something out

to show that someone is right or that something is true

"The other witnesses will bear me out."

"The other witnesses will bear out what I say."

They both look alike in meaning.

Is born a passive form of some plain infinitive?

What is the plain infinitive of born?

To bear out [plain infinitive]

To be bore out [passive]

To have borne out [perfect active]

To be born out in sth:

To be proven by or evidenced in sth.

"His assertion that the customer was not being entirely truthful was born out in the later events."

To bear somebody/something out

to show that someone is right or that something is true

"The other witnesses will bear me out."

"The other witnesses will bear out what I say."

bear out phrasal verb - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com:

They both look alike in meaning.

Is born a passive form of some plain infinitive?

What is the plain infinitive of born?

To bear out [plain infinitive]

To be bore out [passive]

To have borne out [perfect active]