manila paper vs manilla

manila paper and manilla both are nouns.

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

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

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

Other synonyms of manila paper include manila, manilla paper.

manila paper (noun)	manilla (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