personal credit line vs bank line

personal credit line and bank line both are nouns.

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

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

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

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

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