Enter a clue or pattern or both:
The Clue
"...upon receipt ___" (6 letter answer)
The Answer
HEREOF
Tags
Notes
The answer HEREOF is so rare that it appears less than once every 2500 puzzles.
Related Clues
Concerning this
Definition
HEREOF as an adverb:
1. of or concerning this; "the twigs hereof are physic"