As proper nouns the difference between conger and conner
is that conger is while conner is from middle english connere, cunnere "inspector (of weighs and measures)".
conger
Noun
(
en noun)
Any of several scaleless marine eels, of the genus Conger , found in coastal waters
Synonyms
* conger eel
conner
English
Noun
(
en noun)
A marine European fish (); also, the related American cunner.