defalcator vs peculator

defalcator and peculator both are nouns.

Word	Noun	Adjective	Verb	Adverb
defalcator	Yes	No	No	No
peculator	Yes	No	No	No

As nouns, defalcator and peculator are synonyms defined as:

defalcator and peculator: someone who violates a trust by taking (money) for his own use

Other synonyms of defalcator include embezzler.

defalcator (noun)	peculator (noun)
someone who violates a trust by taking (money) for his own use	someone who violates a trust by taking (money) for his own use