Nitrous
Part of speech: adjective
Definition: of, relating to, or derived from nitrogen, especially in which the valence of the nitrogen is lower than that of a corresponding nitric species of, or relating to nitrous acid or its derivatives having a sharp odor like ammonia or nitric acid
Part of speech: noun
Definition: Nitrous oxide.
Nitric
Part of speech: adjective
Definition: Of, pertaining to, or containing, nitrogen.