personal credit line vs line of credit

personal credit line and line of credit both are nouns.

Word	Noun	Adjective	Verb	Adverb
personal credit line	Yes	No	No	No
line of credit	Yes	No	No	No

As nouns, personal credit line and line of credit are synonyms defined as:

personal credit line and line of credit: the maximum credit that a customer is allowed

Other synonyms of personal credit line include bank line, credit line, line, personal line of credit.

personal credit line (noun)	line of credit (noun)
the maximum credit that a customer is allowed	the maximum credit that a customer is allowed