abattis vs abatis

abattis and abatis both are nouns.

Word	Noun	Adjective	Verb	Adverb
abattis	Yes	No	No	No
abatis	Yes	No	No	No

As nouns, abattis and abatis are synonyms defined as:

abattis and abatis: a line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) pointed toward the enemy

abattis (noun)	abatis (noun)
a line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) pointed toward the enemy	a line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) pointed toward the enemy