Converse of object

• form: The nitrogen can also transform into nitrites, which can combine with the proteins in food to form nitrosamines, which are carcinogenic.

• remove: The first company to remove cancer-causing nitrosamines from its products.

• call: Instead, you get a yellow oil called a nitrosamine.

Adjective modifier

• carcinogenic: Liquid formulas ( eg foundations ) often contain carcinogenic nitrosamines.

• cancer-causing: The first company to remove cancer-causing nitrosamines from its products.

Modifies a noun

• carcinogenesis: Research interests: Numerous aspects of nitric oxide's chemistry and pharmacology and nitrosamine carcinogenesis.

Preposition: in

• stomach: Nitrites may also form nitrosamines in the stomach, thought to be carcinogenic agents.