He was staring at the flame.

He is suffering from acute tonsillitis.

His flame-like passion moved us all.

His fiery passion inspired all of us.

This curtain is fire retardant.

Where does your younger sister live?

She is my sworn younger sister, and we are always together.

My younger paternal half sister is very smart.

My sister-in-law is a very kind person.

Where is your sister?