Avitaminosis and Malnutrition

Avitaminosis noun - Any of several diseases caused by deficiency of one or more vitamins.

Malnutrition and avitaminosis are semantically related. In some cases you can use "Malnutrition" instead a noun "Avitaminosis".

Malnutrition noun - A state of poor nutrition; can result from insufficient or excessive or unbalanced diet or from inability to absorb foods.

Avitaminosis and malnutrition are semantically related. Sometimes you can replace term "Avitaminosis" with "Malnutrition", this nouns are similar.