massicotite vs massicot

massicotite and massicot both are nouns.

Word	Noun	Adjective	Verb	Adverb
massicotite	Yes	No	No	No
massicot	Yes	No	No	No

As nouns, massicotite and massicot are synonyms defined as:

massicotite and massicot: the mineral form of lead monoxide; in the form of yellow powder it is used as a pigment

massicotite (noun)	massicot (noun)
the mineral form of lead monoxide; in the form of yellow powder it is used as a pigment	the mineral form of lead monoxide; in the form of yellow powder it is used as a pigment