cone vs conoid

cone and conoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
cone	Yes	No	Yes	No
conoid	Yes	No	No	No

As nouns, cone and conoid are synonyms defined as:

cone and conoid: a shape whose base is a circle and whose sides taper up to a point

Other synonyms of cone include cone shape.

cone (noun)	conoid (noun)
any cone-shaped artifact	a shape whose base is a circle and whose sides taper up to a point
a visual receptor cell in the retina that is sensitive to bright light and to color
cone-shaped mass of ovule- or spore-bearing scales or bracts
a shape whose base is a circle and whose sides taper up to a point

cone (verb)	conoid (verb)
make cone-shaped