credit line vs personal credit line

credit line and personal credit line both are nouns.

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

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

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

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

credit line (noun)	personal credit line (noun)
a line giving the name of the writer of a story or article	the maximum credit that a customer is allowed
the maximum credit that a customer is allowed