chink

“We were raised with this mystique about the accident being the chink in this important legacy,” she says.

In letting one of the company out she incautiously stood looking through the open chink into the dark passage.

I found a chink in the wall and beheld the face of the Englishman peering from the small end window.

Mysie dashed the warm tears from her eyes, and looked again through the chink in the shutter.

And whenever at work he happened to spy At chink or crevice a blinking eye, He let the dipper of water fly.

According to Skeat jingle, “a frequentative verb from the base jink,” is allied to chink, and chink is “an imitative word”.