I need to buy some butter knives for the party.

I have a collection of palette knives.

I bought a set of hunting knives for my camping trip.

I need to buy some paper-knives for the office.

He had a collection of jack-knives.

He collects flick knives as a hobby.

I have a set of paring knives in my kitchen.

I bought a set of utility knives for my kitchen.

He collects Bowie knives as a hobby.

He collects sheath knives from different countries.