pineal

As nouns the difference between pineal and melatonin

is that pineal is pineal while melatonin is a hormone, related to serotonin, that is secreted by the pineal gland, and stimulates colour change in the skin of reptiles, and is involved in the sleep/wake and reproductive cycles in mammals.

As a noun pineal

is pineal.

As an adjective lineal is

lineal.

As nouns the difference between pineal and pindal

is that pineal is the pineal gland while pindal is the peanut (Arachis hypogaea).

As an adjective pineal

is in the shape of a pine cone.

As an adjective vineal

is of or pertaining to vines; containing vines.

As a noun pineal is

pineal.

As nouns the difference between pineal and pineau

is that pineal is pineal while pineau is an alcoholic drink made from unfermented grape juice and cognac.

As nouns the difference between taxonomy and pineal

is that taxonomy is the science or the technique used to make a classification while pineal is pineal.

As adjectives the difference between pineal and parapineal

is that pineal is in the shape of a pine cone while parapineal is beside the pineal.

As a noun pineal

is the pineal gland.