Ketamides are commonly used in organic synthesis.

Ketamide is used as a precursor in the synthesis of pharmaceutical compounds.

My friend's last name is Ketchum.

The Ketchums are a famous family in the town.

My friend's last name is Ketcham.

The Ketchams are a lovely family.

Her last name is Kettle.

My friend's last name is Ketelsen.

The Ketelsens are a close-knit family.

The Ketchers are a famous band from the 90s.