Answer: ringsabell

AnswerCrossword Clue
RINGSABELL

"That knock-knock joke .."

RINGSABELL

Sounds familiar

RINGSABELL

Sounds vaguely familiar

RINGSABELL
Calls up memory of.
RINGSABELL
Awakes a memory
RINGSABELLJogs one's memory
RINGSABELLStrikes a response