Enter a clue or pattern or both:
The Clue
Borrower's sine qua non (6 letter answer)
The Answer
LOANER
Tags
Notes
The answer LOANER is rarely seen, appearing only about once every 1100 puzzles.
Related Clues
Usurer, for one
Banker, at times
Courtesy car
Shop's replacement
Temporary replacement
Temporary wheels
Auto shop's offering
Bank president's role
Car not in a garage
Repair shop substitute
Short-term wheels
Definition
LOANER as a noun:
1. (lender, loaner) = someone who lends money or gives credit in business matters
2. a car that is lent as a replacement for one that is under repair