As nouns the difference between whitener and creamer
is that whitener is any substance used to whiten something; a bleach while creamer is a jug for holding cream.
whitener
English
Noun
(
en noun)
Any substance used to whiten something; a bleach.
A person employed to whiten or bleach.
(Canada) A powder added to tea or coffee in place of milk. A "non-dairy creamer".
creamer
English
Noun
(
en noun)
A jug for holding cream.
A separator for removing cream from milk to leave skimmed milk.
A nondairy product that adds a creamy texture to coffee.