otaku

As nouns the difference between geek and otaku

is that geek is (dated) a carnival performer specializing in bizarre and unappetizing behavior or geek can be (australia|colloquial) a look while otaku is (fandom) one with an obsessive interest in something, particularly anime or manga.

As a verb geek

is (colloquial) to get high on cocaine.

As nouns the difference between otaku and freak

is that otaku is (fandom) one with an obsessive interest in something, particularly anime or manga while freak is a man, particularly a bold, strong, vigorous man or freak can be a sudden causeless change or turn of the mind; a whim of fancy; a capricious prank; a vagary or caprice.

As a verb freak is

to make greatly distressed and/or a discomposed appearance.

As an adjective freak is

strange, weird.

As nouns the difference between otaku and nerd

is that otaku is one with an obsessive interest in something, particularly anime or manga while nerd is a person who is intellectual but generally introverted.

Weeabo is likely misspelled.

Weeabo has no English definition.

As a noun otaku

is one with an obsessive interest in something, particularly anime or manga.

As nouns the difference between otaku and weeaboo

is that otaku is one with an obsessive interest in something, particularly anime or manga while weeaboo is a white person who behaves in a stereotypically Japanese manner or seeks to appear stereotypically Japanese.

Otome is likely misspelled.

Otome has no English definition.

As a noun otaku is

one with an obsessive interest in something, particularly anime or manga.

As nouns the difference between dotaku and otaku

is that dotaku is a richly-decorated Japanese bell made from thin bronze while otaku is one with an obsessive interest in something, particularly anime or manga.