camail vs aventail

camail and aventail both are nouns.

Word	Noun	Adjective	Verb	Adverb
camail	Yes	No	No	No
aventail	Yes	No	No	No

As nouns, camail and aventail are synonyms defined as:

camail and aventail: a medieval hood of mail suspended from a basinet to protect the head and neck

Other synonyms of camail include ventail.

camail (noun)	aventail (noun)
a medieval hood of mail suspended from a basinet to protect the head and neck	a medieval hood of mail suspended from a basinet to protect the head and neck