This curtain is fire retardant.

I have decided to take out the burnable trash on Tuesdays and Fridays.

I make sure to take out the burnable trash every Friday.

He underwent surgery for appendicitis.

He underwent surgery for appendicitis.

Due to otitis, he found it difficult to listen to music.

My dermatitis was treated by a dermatologist.

He was taken to the hospital because of peritonitis.

My son went to the hospital because of otitis media.

My aphthous ulcer hurts so much that I can't eat.