oater

As nouns the difference between dater and oater

is that dater is one who dates while oater is (informal|humorous) a movie or television show about cowboy or frontier life; a western movie.

As nouns the difference between otter and oater

is that otter is any aquatic or marine carnivorous mammal, member of the family Mustelidae, which also includes weasels, polecats, badgers, and others while oater is a movie or television show about cowboy or frontier life; a western movie.

As a proper noun Otter

is a river whose source in the Blackdown Hills, Somerset, and which flows into Lyme Bay in English Channel.