Answer:

recur

Answer	Crossword Clue
RECUR	Happen again
RECUR	Show up repeatedly
RECUR	Come again

RECUR	Happen more than once
RECUR	Cause deja vu
RECUR	Keep happening
RECUR	Come up again
RECUR	Happen periodically
RECUR	Come again?
RECUR	Come around again
RECUR	Come to mind again

RECUR	Crop up again
RECUR	Persist
RECUR	Come back
RECUR	Come back, as a dream
RECUR	Come back, in a way
RECUR	Come and go
RECUR	Crop up anew
RECUR	Happen repeatedly

RECUR	Transpire again
RECUR	Appear again
RECUR	Pop up again
RECUR	Happen regularly
RECUR	Come to mind again and again
RECUR	Appear at intervals
RECUR	Come back.
RECUR	Return to mind.

RECUR	Reappear.
RECUR	Come again.
RECUR	Come again to mind.
RECUR	Appear again.
RECUR	Happen again.
RECUR	Happen anew.
RECUR	Appears at intervals.
RECUR	Crop up again.

RECUR	Happen over again.
RECUR	Return periodically.
RECUR	Come up again.
RECUR	Appear after an interval.
RECUR	Happen more than once.

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.