Predominately (with an e) is an adverb (describes an action). Predominantly (with two ns) is an adjective (describes an object).
Example: We predominately interviewed extraterrestrials, so we got opinions from predominantly three-headed beings.
Predominately (with an e) is an adverb (describes an action). Predominantly (with two ns) is an adjective (describes an object).
Example: We predominately interviewed extraterrestrials, so we got opinions from predominantly three-headed beings.