My friend's last name is Masi.

The Masises are coming to the party tonight.

They are masing the cake.

The masing device amplifies the microwave signals.

Masitinib is a tyrosine kinase inhibitor used in the treatment of certain types of cancer.

The Masiellos are a close-knit family.

My friend's last name is Masiello.

Masih is a common surname in many Middle Eastern countries.

The Masihs are a close-knit family.

My friend's last name is Masino.