lipoid vs lipid

lipoid and lipid both are nouns.

Word	Noun	Adjective	Verb	Adverb
lipoid	Yes	No	No	No
lipid	Yes	No	No	No

As nouns, lipoid and lipid are synonyms defined as:

lipoid and lipid: an oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates)

Other synonyms of lipoid include lipide.

lipoid (noun)	lipid (noun)
an oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates)	an oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates)