embattled vs castellated

embattled and castellated both are adjectives.

Word	Noun	Adjective	Verb	Adverb
embattled	No	Yes	No	No
castellated	No	Yes	No	No

As adjectives, embattled and castellated are synonyms defined as:

embattled and castellated: having or resembling repeated square indentations like those in a battlement

Other synonyms of embattled include battlemented, castled, crenelated.

embattled (adjective)	castellated (adjective)
having or resembling repeated square indentations like those in a battlement	having or resembling repeated square indentations like those in a battlement
prepared for battle
(of a person) beset by difficulties or conflict