The astronomer examined the k-lines in the star's spectrum to determine its calcium abundance.

During the driving test, she practiced several K-turns in the narrow alley until the instructor nodded approvingly.

The surgeon carefully removed the K-wires from the patient's fractured wrist after confirming bone healing on the X-ray.

The researcher measured the electrical responses of k-cells under different stimuli.

The fu*k scrawled across the mural was the talk of the neighborhood.

Don't try to fu*k with my work again; I spent months on it.

fu*k, I forgot my keys again.

After seeing the damage, he was fu*k furious and demanded answers.

The software release labeled MGU K introduced compatibility with legacy modules.

To enumerate the trees, she wrote each label in k-adic notation, where digits run from one to k and positions represent powers of k.