Enter a clue or pattern or both:
The Clue
Mount up (6 letter answer)
The Answer
ACCRUE
Tags
Notes
The answer ACCRUE is rarely seen, appearing only about once every 1600 puzzles.
Related Clues
Accumulate
Add up
Build up
Gather, as interest
Pile up
Grow, as interest on money
Be added periodically as an increase
Definition
ACCRUE as a verb:
1. grow by addition; "The interest accrues"
2. (accrue, fall) = come into the possession of; "The house accrued to the oldest son"