nitrite

Noun

the radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid)
Any salt or ester of nitrous acid.
The univalent radical -NO₂, and the anion NO₂⁻

Scrabble Score: 7

nitrite is a valid Scrabble (US) TWL word
nitrite is a valid Scrabble Word in Merriam-Webster MW Dictionary
nitrite is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 8

nitrite is a valid Words With Friends word