effector vs effecter

effector and effecter both are nouns.

Word	Noun	Adjective	Verb	Adverb
effector	Yes	No	No	No
effecter	Yes	No	No	No

As nouns, effector and effecter are synonyms defined as:

effector and effecter: one who brings about a result or event; one who accomplishes a purpose

effector (noun)	effecter (noun)
an organ (a gland or muscle) that becomes active in response to nerve impulses	one who brings about a result or event; one who accomplishes a purpose
a nerve fiber that terminates on a muscle or gland and stimulates contraction or secretion
one who brings about a result or event; one who accomplishes a purpose