Acne and Pustulate

Acne noun - An inflammatory disease involving the sebaceous glands of the skin; characterized by papules or pustules or comedones.

Pustulate and acne are semantically related. In some cases you can replace term "Pustulate" with "Acne", this nouns are similar.

Pustulate adjective - (of complexion) blemished by imperfections of the skin.

Acne and pustulate are semantically related. You can use "Acne" instead a noun "Pustulate".