Enter a clue or pattern or both:
The Clue
Have reciprocal effect (8 letter answer)
The Answer
INTERACT
Tags
Notes
The answer INTERACT is so rare that it appears less than once every 2900 puzzles.
Related Clues
Relate
Affect mutually
Influence reciprocally
Definition
INTERACT as a verb:
1. act together or towards others or with others; "He should interact more with his colleagues"