manilla paper vs manila paper

manilla paper and manila paper both are nouns.

Word	Noun	Adjective	Verb	Adverb
manilla paper	Yes	No	No	No
manila paper	Yes	No	No	No

As nouns, manilla paper and manila paper are synonyms defined as:

manilla paper and manila paper: a strong paper or thin cardboard with a smooth light brown finish made from e.g. Manila hemp

Other synonyms of manilla paper include manila, manilla.

manilla paper (noun)	manila paper (noun)
a strong paper or thin cardboard with a smooth light brown finish made from e.g. Manila hemp	a strong paper or thin cardboard with a smooth light brown finish made from e.g. Manila hemp