palliasse vs paillasse

palliasse and paillasse both are nouns.

Word	Noun	Adjective	Verb	Adverb
palliasse	Yes	No	No	No
paillasse	Yes	No	No	No

As nouns, palliasse and paillasse are synonyms defined as:

palliasse and paillasse: mattress consisting of a thin pad filled with straw or sawdust

palliasse (noun)	paillasse (noun)
mattress consisting of a thin pad filled with straw or sawdust	mattress consisting of a thin pad filled with straw or sawdust