embassador vs ambassador

embassador and ambassador both are nouns.

Word	Noun	Adjective	Verb	Adverb
embassador	Yes	No	No	No
ambassador	Yes	No	No	No

As nouns, embassador and ambassador are synonyms defined as:

embassador and ambassador: a diplomat of the highest rank; accredited as representative from one country to another

embassador (noun)	ambassador (noun)
a diplomat of the highest rank; accredited as representative from one country to another	a diplomat of the highest rank; accredited as representative from one country to another
	an informal representative