castled vs crenelated

castled and crenelated both are adjectives.

Word	Noun	Adjective	Verb	Adverb
castled	No	Yes	No	No
crenelated	No	Yes	No	No

As adjectives, castled and crenelated are synonyms defined as:

castled and crenelated: having or resembling repeated square indentations like those in a battlement

Other synonyms of castled include battlemented, castellated, embattled.

castled (adjective)	crenelated (adjective)
having or resembling repeated square indentations like those in a battlement	having or resembling repeated square indentations like those in a battlement